Vendor
YesWiki
82 known vulnerabilities.
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Medium 4.9
YesWiki before 4.7.0 SQL Injection via despam.php INTERVAL operand
YesWiki before 4.7.0 contains a sql injection vulnerability in despam.php where the from parameter is escaped but placed in an unquoted INTERVAL position. Authenticated administrators can inject SQL via the from POST parameter to perform blind reads of the da…
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Medium 6.8
YesWiki before 4.7.0 SSRF via copyUrlToLocalFile in Bazar CSV Import
YesWiki before 4.7.0 contains a server-side request forgery vulnerability in the Bazar CSV import copyUrlToLocalFile() function that allows authenticated administrators to make arbitrary outbound requests by supplying crafted URLs in CSV file or image fields.…
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Medium 6.8
YesWiki before 4.7.0 Authenticated SSRF via Page Duplication API downloadFile
YesWiki before 4.7.0 contains a server-side request forgery vulnerability in DuplicationManager::downloadFile() that allows authenticated administrators to make arbitrary outbound requests via the files array. Attackers can POST file:// or internal URLs to /a…
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Medium 6.5
YesWiki from 4.6.2 before 4.7.0 HTTP Signature Replay via ActivityPub Inbox
YesWiki from 4.6.2 before 4.7.0 lacks replay protection in HttpSignatureService::verifySignature(), which never validates the Date header or tracks seen signatures. Attackers who capture a signed request to the /api/forms/{formId}/actor/inbox endpoint can rep…
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Medium 6.1
YesWiki before 4.7.0 Stored XSS via Referer Header in referrers_sites Handler
YesWiki before 4.7.0 contains a stored cross-site scripting vulnerability in handlers/page/referrers_sites.php that allows unauthenticated attackers to inject scripts via crafted Referer headers. Attackers can send a Referer hostname containing HTML metachara…
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Medium 6.1
YesWiki before 4.7.0 Reflected XSS via BazarField $_REQUEST Fallback
YesWiki before 4.7.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject JavaScript by supplying query parameters matching missing Bazar field names. Attackers can craft links where BazarField::getValue() fa…
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Medium 5.3
YesWiki before 4.7.0 Template Traversal via BazarListeAction template Parameter
YesWiki before 4.7.0 contains a path traversal vulnerability in BazarListeAction that allows unauthenticated attackers to select arbitrary templates within the @bazar Twig namespace via the template GET parameter. Attackers can append crafted template values …
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Medium 5.3
YesWiki from 4.6.0 before 4.7.0 SQL Query Disclosure via showreq Parameter
YesWiki from 4.6.0 before 4.7.0 contains an information disclosure vulnerability that allows unauthenticated attackers to view assembled SQL queries by adding the showreq parameter. Attackers can append showreq to public Bazar listing API requests to obtain t…
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Medium 6.5
YesWiki before 4.7.0 Read-ACL Bypass via SQL LIKE Wildcards in Usernames
YesWiki before 4.7.0 contains a read-ACL bypass in AclService::updateRequestWithACL, which interpolates usernames into SQL LIKE patterns without escaping the _ and % wildcards. Self-registered attackers can use usernames such as ___ or %%% that over-match ACL…
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Medium 6.4
YesWiki 4.2.0 before 4.7.0 Stored XSS via Comment Raw-HTML Syntax
YesWiki from 4.2.0 before 4.7.0 contains a stored cross-site scripting vulnerability that allows authenticated users to inject script into comment bodies using the wakka raw-HTML syntax. Attackers can post comments via the /api/comments endpoint that render u…
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Medium 5.3
YesWiki before 4.7.0 Unauthenticated SSRF via [[|URL]] Raw-Inclusion Syntax
YesWiki before 4.7.0 contains an unauthenticated server-side request forgery vulnerability that allows remote attackers to fetch arbitrary URLs by supplying [[|URL]] wiki syntax to the render handler. Attackers can pass the syntax in the content parameter of …
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Medium 6.1
YesWiki before 4.7.0 Stored XSS via filtertags Action Parameters
YesWiki before 4.7.0 contains a stored cross-site scripting vulnerability in the filtertags action, which echoes attacker-controlled token values without output encoding. Anonymous attackers can inject markup via action-attribute parameters that bypasses the …
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Medium 5.4
YesWiki before 4.7.0 Stored XSS via ImageField SVG Upload
YesWiki before 4.7.0 contains a stored cross-site scripting vulnerability that allows low-privilege authenticated users to upload unsanitized SVG files through the bazar ImageField class. Attackers can submit a malicious SVG via the image field of the entries…
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Medium 5.4
YesWiki before 4.6.7 Stored XSS via Bazar valeur Action
YesWiki before 4.6.7 contains a cross-site scripting vulnerability in the Bazar valeur action that allows page editors to inject script by rendering unescaped HTML fetched from a remote URL. Attackers can point tools/bazar/actions/valeur.php at a controlled s…
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Medium 6.1
YesWiki before 4.5.3 Multiple Reflected XSS via BazaR and listpages
YesWiki before 4.5.3 contains multiple reflected cross-site scripting vulnerabilities that allow remote attackers to inject JavaScript through unsanitized parameters such as incomingurl, id, file, tags, and template. Attackers can lure authenticated or unauth…
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Medium 5.0
YesWiki before 4.6.7 SSRF via Bazar valeur Action url Parameter
YesWiki before 4.6.7 contains a server-side request forgery vulnerability that allows page editors to make the server fetch arbitrary URLs via the url parameter of the Bazar valeur action. Attackers can embed the action with a champ parameter in wiki markup t…
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Medium 6.8
YesWiki before 4.6.7 Session Fixation via Login in AuthController.php
YesWiki before 4.6.7 contains a session fixation vulnerability that allows attackers to hijack authenticated sessions because login does not regenerate the PHP session ID. Attackers who set or learn a victim's pre-authentication YesWiki-* session cookie can r…
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Medium 4.8
YesWiki before 4.6.7 Non-Expiring Password Reset Tokens via LostPasswordAction
YesWiki before 4.6.7 contains an insufficient session expiration vulnerability that allows attackers to reuse old password reset links because tokens lack expiry timestamps. Attackers who obtain an unused reset URL from mailboxes, logs, backups, or browser hi…
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Medium 5.4
YesWiki before 4.6.7 Stored XSS via Wakka Markdown Image src Attribute
YesWiki before 4.6.7 contains a stored cross-site scripting vulnerability in formatters/wakka.php that allows users who can edit pages or post comments to inject event handlers by placing quotes in markdown image URLs. Attackers can store a crafted markdown i…
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Medium 6.1
YesWiki before 4.6.7 Reflected XSS via field Parameter in mail Handler
YesWiki before 4.6.7 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts via the field parameter of the mail handler. Attackers can craft links whose field value breaks out of the ajax-mail-form acti…
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Medium 5.4
YesWiki before 4.6.7 Stored XSS via Unsanitized SVG Upload in Bazar FileField
YesWiki before 4.6.7 contains a stored cross-site scripting vulnerability in the Bazar FileField, which validates only the upload's file extension and never calls HtmlPurifierService::cleanFile, so SVG files are stored verbatim and served inline as image/svg+…
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Medium 6.5
YesWiki before 4.6.7 SSRF via ActivityPub WebFinger actor_handle
YesWiki before 4.6.7 contains a server-side request forgery vulnerability in WebfingerService that allows unauthenticated attackers to trigger HTTPS requests to internal hosts. Attackers can POST a crafted actor_handle with a numeric host and port to the abon…
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Medium 6.5
YesWiki before 4.6.7 SSRF Guard Bypass via IPv6 Transition Addresses
YesWiki before 4.6.7 contains a server-side request forgery vulnerability in validateKeyIdUrl() that allows unauthenticated attackers to bypass the SSRF guard using 6to4, NAT64, or IPv4-compatible IPv6 addresses. Attackers can send a crafted Signature keyId t…
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Medium 5.3
YesWiki before 4.6.7 ReDoS via wakka.php Edit-Preview Endpoint
YesWiki before 4.6.7 contains an algorithmic-complexity denial of service in the wakka.php formatter due to an O(n^2) markdown-link regex. Unauthenticated attackers can submit a small crafted body of bracket characters to the page-edit preview endpoint to pin…
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Medium 5.3
YesWiki before 4.6.7 Read-ACL Bypass via recentchangesrssplus RSS Action
YesWiki before 4.6.7 contains an access control bypass vulnerability that allows unauthenticated attackers to read restricted page content via the recentchangesrssplus RSS action. Attackers can request the xml method of a page hosting the action to retrieve 5…
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Medium 5.4
YesWiki before 4.6.7 CSRF Tag Deletion via admintag Action
YesWiki before 4.6.7 contains a cross-site request forgery vulnerability in the admintag action that allows attackers to delete tag associations by luring administrators to crafted GET links. Attackers can supply a wide id range in the delete_tag parameter vi…
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Medium 5.4
YesWiki before 4.6.7 CSRF Attachment Deletion via filemanager Handler
YesWiki before 4.6.7 contains a cross-site request forgery vulnerability in the filemanager page handler, which deletes page attachments on GET requests without validating a CSRF token. Attackers can lure a logged-in page owner or administrator into a top-lev…
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Medium 4.3
YesWiki before 4.6.7 CSRF Page Revision Restore via RevisionsHandler
YesWiki before 4.6.7 contains a cross-site request forgery vulnerability in RevisionsHandler that allows attackers to restore old page revisions through GET requests lacking CSRF token validation. Attackers can lure write-capable users into a top-level naviga…
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Medium 6.5
YesWiki before 4.6.7 ACL Bypass and Stored XSS via pointimage Action
YesWiki before 4.6.7 contains a missing authorization flaw in the pointimage action (tools/attach/actions/pointimage.php), which saves content to an attacker-chosen page with write ACL checks bypassed. Unauthenticated attackers can POST pagetag, title, and de…
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Medium 6.5
YesWiki before 4.6.7 Unauthenticated Page Overwrite via Bazar id_fiche
YesWiki before 4.6.7 contains an access control vulnerability allowing unauthenticated attackers to overwrite any existing wiki page, including pages whose write ACL restricts editing, via the Bazar entry-creation flow. Attackers can submit a crafted entry wi…
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Medium 6.5
YesWiki before 4.6.7 Unauthenticated Open Mail Relay via Contact Mail Handler
YesWiki before 4.6.7 contains an authentication bypass in the contact mail AJAX handler that allows unauthenticated attackers to send email through the wiki's SMTP server. Attackers can POST an XMLHttpRequest to the mail handler without field or type paramete…
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Medium 5.8
YesWiki before 4.6.7 Unauthenticated SSRF via syndication Action
YesWiki before 4.6.7 contains an unauthenticated server-side request forgery vulnerability that allows remote attackers to make the server fetch arbitrary URLs by supplying a syndication action through the render handler's content parameter. Attackers can tar…
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Medium 5.3
YesWiki before 4.6.7 Unauthenticated SSRF via valeur Action
YesWiki before 4.6.7 contains an unauthenticated server-side request forgery vulnerability that allows remote attackers to make the server fetch arbitrary hosts and ports via the {{valeur}} action's url parameter. Attackers can submit the action through the c…
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Medium 5.3
YesWiki before 4.6.7 User Enumeration via Lost-Password Flow
YesWiki before 4.6.7 contains a user enumeration vulnerability in LostPasswordAction.php that allows unauthenticated attackers to confirm registered email addresses through differing responses. Attackers can submit emails to the MotDePassePerdu recovery page …
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Medium 5.3
YesWiki before 4.6.7 Blind SSRF via bazarlist API idtypeannonce Parameter
YesWiki before 4.6.7 contains a blind server-side request forgery vulnerability that allows unauthenticated attackers to make arbitrary server-side requests via the idtypeannonce parameter of /api/entries/bazarlist. Because isValidURL() always returns true, a…
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Medium 5.3
YesWiki before 4.6.7 Information Disclosure via listpagestag and includepages Actions
YesWiki before 4.6.7 contains a missing authorization vulnerability in the listpagestag and includepages actions of the tags tool, which enumerate pages without applying read-ACL filtering. Unauthenticated or unprivileged attackers can embed these actions wit…
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Medium 6.1CVE-2026-52774 Public exploit
Reflected XSS via Unescaped `id` Parameter in Bazar Widget HTML Attributes in YesWiki
YesWiki is a wiki system written in PHP. Prior to version 4.6.6, YesWiki's Bazar widget handler reflects the id GET parameter into HTML attributes using strip_tags() only. Because strip_tags() does not escape double quotes, an attacker can break out of the at…
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Medium 6.1
Reflected XSS via Unescaped Archived-Revision `time` Parameter in `handlers/page/show.php` in YesWiki
YesWiki is a wiki system written in PHP. From version 4.1.0 to before version 4.6.6, YesWiki's archived-revision view reflects the time GET parameter into a hidden HTML input in handlers/page/show.php without escaping. Because MySQL coerces malformed DATETIME…
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Medium 5.5
YesWiki: Bazar form-field templates still apply `|raw('html')` to `field.label` / `field.hint` in attribute and label-body contexts — stored XSS in form renders (sibling class of commit `e6b66aa`)
YesWiki is a wiki system written in PHP. Prior to version 4.6.6, Bazar form-field templates still apply |raw('html') to field.label / field.hint in attribute and label-body contexts, resulting stored XSS in form renders. This issue has been patched in version…
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Medium 6.5
YesWiki: SQL injection via the `recentchanges` action `period` argument leading to arbitrary DB read
YesWiki is a wiki system written in PHP. Prior to version 4.6.6, the recentchanges action (actions/recentchanges.php) accepts a period argument from two disjoint parameter spaces. A whitelist validates only the URL form against ['day','week','month']. The act…