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zammad

49 known vulnerabilities.

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  • Medium 5.1

    Zammad: Stored XSS in ticket article rendering in the new Vue-based interface

    Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, the new Vue-based ticket interface can render ticket article content without the expected output encoding. An authenticated user can store markup in an article that is interpr…

  • Medium 5.1

    Zammad: Microsoft Graph error logs expose partially masked OAuth access tokens

    Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, when a Microsoft Graph request fails, Zammad logs the error including the authentication token used to access the mailbox. The system attempts to hide this token in the log, b…

  • Medium 5.3

    Zammad: HTML sanitizer API path allowlist bypass via interior path traversal in img src/srcset

    Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, attacker-controlled HTML in inbound emails or tickets could bypass the image URL sanitizer using path traversal sequences. When an authenticated agent views the content, the b…

  • Medium 5.3

    Zammad: Invalid PGP Detached Signatures Reported as Good Signature on Inbound Mail

    Zammad is a web based open source helpdesk/customer support system. In 7.0.3 and 7.1.1, under certain conditions, Zammad's verification of inbound PGP-signed email can mark a message as carrying a valid ("Good") PGP signature from a registered sender key, eve…

  • Medium 6.9

    Zammad: Missing rate limiting allows password brute-forcing during two-factor login

    Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, the two-factor login step let an attacker try unlimited password guesses for any account without triggering Zammad's normal lockout or rate limiting. The response also reveale…

  • Medium 6.9

    Zammad: Sensitive Information Exposure in Integration Administration API

    Zammad is a web based open source helpdesk/customer support system. In 7.0.3 and 7.1.1, an authenticated administrator can obtain stored integration credentials in cleartext through the integration administration API. Certain responses do not consistently mas…

  • Medium 6.3

    Zammad: Stored HTML injection in Knowledge Base video widget enables forced session switching via unescaped iframe attribute

    Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, a user with Knowledge Base editing rights for a category can embed a video widget in a published answer with a specially crafted value. When the answer is rendered, that value…

  • Medium 5.3

    Zammad: Stored XSS via unescaped option labels in the object attribute options context UI

    Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, unsanitized option labels are rendered in the configuration dialogs of AI Agents within Zammad's admin UI. When rendering the list of selected options, the option label is out…

  • Medium 5.3

    Zammad: Missing Authorization in TagsController#list Allows Cross-Object Tag Enumeration

    Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, any authenticated user can call the REST endpoint for getting a tag list and receive the tag names for the given ticket, regardless of whether they have access to that ticket.…

  • Medium 5.3

    Zammad: Remote image tracking bypass via shortened URL scheme

    Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, zammad's HTML sanitizer, which blocks remote images in ticket articles and email views, can be bypassed using a shortened URL format that omits the double slash after the sche…

  • Medium 5.1

    Zammad: Channel admins can read unauthorized attachments via signature rich-text body

    Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, when creating or updating an email signature, Zammad processes inline images referenced in the signature body. If a signature body contains an HTML img tag pointing to any exi…

  • Medium 5.3

    Zammad: Cross-User Taskbar Item Access Control Vulnerability

    Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, a broken access control vulnerability exists in Zammad's GraphQL API. An authenticated user can access taskbar item data belonging to another user by crafting a request with t…

  • Medium 5.3

    Zammad: Malicious input in Ticket Body Enables Session Termination

    Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, vulnerability in Zammad's HTML sanitization allows injection of specific HTML elements into ticket bodies. When another user views the crafted ticket, the injected element can…

  • Medium 5.3

    Zammad: Improper neutralization of `srcset` attribute in IMG tags in Zammad

    Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2 and 7.1.0, zammad's HTML sanitizer (HtmlSanitizer::Strict) blocks external URLs in to prevent remote content loading, but the srcset attribute, also allowlisted for , is not su…

  • Medium 5.3

    Zammad: Avatar Image URL Server-Side Request Forwarding

    Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, during federated authentication (OAuth/OIDC/SAML), a profile image URL from the external identity provider is fetched without verifying the target address. An actor who contro…

  • Medium 5.1

    Zammad: Missing authorization check in GitHub + GitLab integration allows cross-ticket data leak

    Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, this vulnerability breaks normal ticket isolation boundaries between agents. Any authenticated agent, even one with no active tickets assigned to them, can view the titles, st…

  • Medium 5.3

    Zammad is miissing authorization in AI assistance controller for context data used in text tools

    Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, he REST endpoint POST /api/v1/ai_assistance/text_tools/:id contains an authorization failure. Context data (e.g., a group or organization) supplied to be used in the AI prompt…

  • Medium 5.3

    Zammad has improper access control in AI assistance controller for text tools

    Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the REST endpoint POST /api/v1/ai_assistance/text_tools/:id was not checking if a user is privileged to use the text tool, resulting in being able to use it in all s…

  • Medium 6.9

    Zammad is missing authorization in ticket create endpoint

    Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the used endpoint for ticket creation was missing authorization if the related parameter for adding links is used. This vulnerability is fixed in 7.0.1 and 6.5.4.

  • Medium 5.9

    Zammad has Cross-site request forgery (CSRF) in OAuth callback endpoints

    Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the OAuth callback endpoints for Microsoft, Google, and Facebook external credentials do not validate a CSRF state parameter. This vulnerability is fixed in 7.0.1 an…

  • Medium 5.3

    Zammad improperly neutralizes of script-related HTML tags in ticket articles

    Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the HTML sanitizer for ticket articles was missing proper sanitization of data: ... URI schemes, resulting in storing such malicious content in the database of the Z…

  • Medium 4.2

    In Zammad 6.4.x before 6.4.2, there is information exposure. Only agents should be able to see and work on shared artic…

  • Medium 4.3

    In Zammad 6.4.x before 6.4.2, an authenticated agent with knowledge base permissions was able to use the Zammad API to …

  • Medium 4.8

    In Zammad 6.4.x before 6.4.2, there is client-side enforcement of server-side security. When changing their two factor …

  • Medium 4.0

    In Zammad 6.4.x before 6.4.2, SSRF can occur. Authenticated admin users can enable webhooks in Zammad, which are trigge…