285 results · Feed
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Unscored —
In MediaWiki before 1.35.1, the messages userrights-expiry-current and userrights-expiry-none can contain raw HTML. XSS…
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Unscored —
In MediaWiki before 1.35.1, the combination of Html::rawElement and Message::text leads to XSS because the definition o…
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Medium 5.3
MediaWiki Special:UserRights exposes the existence of hidden users
In MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4, Special:UserRights exposes the existence of hidden users.
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High 7.5
OATHAuth extension in MediaWiki is not implementing rate limit
An issue was discovered in the OATHAuth extension in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4. For Wikis using OATHAuth on a farm/cluster (such as via CentralAuth), rate limiting of OATH tokens is only done on a single site level. Thus…
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Medium 6.1
MediaWiki Cross-site Scripting (XSS) vulnerability
An issue was discovered in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4. The non-jqueryMsg version of mw.message().parse() doesn't escape HTML. This affects both message contents (which are generally safe) and the parameters (which can be …
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Medium 6.1
MediaWiki Cross-site Scripting (XSS) vulnerability
In MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4, XSS related to jQuery can occur. The attacker creates a message with [javascript:payload xss] and turns it into a jQuery object with mw.message().parse(). The expected result is that the jQu…
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Medium 6.1
MediaWiki Cross-site Scripting (XSS) vulnerability
An issue was discovered in MediaWiki 1.32.x through 1.34.x before 1.34.4. LogEventList::getFiltersDesc is insecurely using message text to build options names for an HTML multi-select field. The relevant code should use escaped() instead of text().
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Medium 6.1
MediaWiki Cross-site Scripting (XSS) vulnerability
An issue was discovered in MediaWiki 1.34.x before 1.34.4. On Special:Contributions, the NS filter uses unescaped messages as keys in the option key for an HTMLForm specifier. This is vulnerable to a mild XSS if one of those messages is changed to include raw…
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Medium —
img_auth.php may leak private extension images into the public cache
In MediaWiki before 1.31.8, 1.32.x and 1.33.x before 1.33.4, and 1.34.x before 1.34.2, private wikis behind a caching server using the img_auth.php image authorization security feature may have had their files cached publicly, so any unauthorized user could v…
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Medium 5.3
MediaWiki makeCollapsible allows applying event handler to any CSS selector
In MediaWiki before 1.34.1, users can add various Cascading Style Sheets (CSS) classes (which can affect what content is shown or hidden in the user interface) to arbitrary DOM nodes via HTML content within a MediaWiki page. This occurs because jquery.makeCol…
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Unscored —
MediaWiki before 1.18.5, and 1.19.x before 1.19.2 saves passwords in the local database, (1) which could make it easier…
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Unscored —
The CentralNotice extension for MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 sets the Cache-…
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Unscored —
Cross-site scripting (XSS) vulnerability in MediaWiki 1.19.9 before 1.19.10, 1.2x before 1.21.4, and 1.22.x before 1.22…
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Unscored —
includes/libs/IEUrlExtension.php in the MediaWiki API in MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21…
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Medium 6.1
Possible to circumvent title-blacklist
MediaWiki through 1.33.1 allows attackers to bypass the Title_blacklist protection mechanism by starting with an arbitrary title, establishing a non-resolvable redirect for the associated page, and using redirect=1 in the action API when editing that page.
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Unscored —
MediaWiki before 1.19.4 and 1.20.x before 1.20.3 contains an error in the api.php script which allows remote attackers …
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Unscored —
MediaWiki before 1.19.4 and 1.20.x before 1.20.3 allows remote attackers to cause a denial of service (application cras…
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Unscored —
A cross-site scripting (XSS) vulnerability in MediaWiki before 1.19.5 and 1.20.x before 1.20.4 and allows remote attack…
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Unscored —
mediawiki allows deleted text to be exposed
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Medium 5.3
MediaWiki information disclosure
In MediaWiki through 1.33.0, Special:Redirect allows information disclosure of suppressed usernames via a User ID Lookup.
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Medium 6.5
Wikimedia MediaWik exposed suppressed log in RevisionDelete page
Wikimedia MediaWiki through 1.32.1 has Incorrect Access Control. Suppressed log in RevisionDelete page is exposed. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.
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Medium 6.5
MediaWiki Incorrect Access Control vulnerability
MediaWiki through 1.32.1 has Incorrect Access Control. Suppressed username or log in Special:EditTags are exposed. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.
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High 7.5
Wikimedia information leak vulnerability
Wikimedia MediaWiki 1.23.0 through 1.32.1 has an information leak. Privileged API responses that include whether a recent change has been patrolled may be cached publicly. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.
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High 7.5
MediaWiki Incorrect Access Control vulnerability
An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.18.0 through 1.32.1. It is possible to bypass the limits on IP range blocks ($wgBlockCIDRLimit) by using the API. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.
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Medium 6.1
MediaWiki Cross-site Scripting (XSS)
Wikimedia MediaWiki 1.30.0 through 1.32.1 has XSS. Loading user JavaScript from a non-existent account allows anyone to create the account, and perform XSS on users loading that script. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.
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High 7.5
Wikimedia Potential DOS due to slow WatchedItemStore::countVisitingWatchersMultiple
Wikimedia MediaWiki 1.27.0 through 1.32.1 might allow DoS. Passing invalid titles to the API could cause a DoS by querying the entire watchlist table. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.
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High 8.8
Wikimedia MediaWiki allows CSRF
Wikimedia MediaWiki through 1.32.1 allows CSRF.
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Critical 9.8
Wikimedia MediaWiki Incorrect Access Control vulnerability
An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.27.0 through 1.32.1. Directly POSTing to Special:ChangeEmail would allow for bypassing re-authentication, allowing for potential account takeover.
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Medium 5.3
MediaWiki Incorrect Access Control vulnerability
MediaWiki through 1.32.1 has Incorrect Access Control (issue 1 of 3). A spammer can use Special:ChangeEmail to send out spam with no rate limiting or ability to block them. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.
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Medium 6.1
XSS in jQuery as used in Drupal, Backdrop CMS, and other products
jQuery before 3.4.0, as used in Drupal, Backdrop CMS, and other products, mishandles jQuery.extend(true, {}, ...) because of Object.prototype pollution. If an unsanitized source object contained an enumerable __proto__ property, it could extend the native Obj…
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Medium 4.3
$wgRateLimits entry for 'user' overrides 'newbie'
Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where contrary to the documentation, $wgRateLimits entry for 'user' overrides that for 'newbie'.
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Medium 6.5
Information disclosure in Special:Redirect/logid
Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains an information disclosure flaw in the Special:Redirect/logid
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Medium 6.5
BotPasswords can bypass CentralAuth's account lock
Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where BotPasswords can bypass CentralAuth's account lock
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Unscored —
api.log contains passwords in plaintext
Mediawiki before 1.28.1 / 1.27.2 / 1.23.16 contains an information disclosure flaw, where the api.log might contain passwords in plaintext.
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Unscored —
Parameters injection in SyntaxHighlight results in multiple vulnerabilities
Parameters injection in the SyntaxHighlight extension of Mediawiki before 1.23.16, 1.27.3 and 1.28.2 might result in multiple vulnerabilities.
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Unscored —
Make rawHTML mode not apply to system messages
Mediawiki before 1.28.1 / 1.27.2 / 1.23.16 contains a flaw making rawHTML mode apply to system messages.
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Unscored —
SVG filter evasion using default attribute values in DTD declaration
Mediawiki before 1.28.1 / 1.27.2 / 1.23.16 contains a flaw allowing to evade SVG filter using default attribute values in DTD declaration.
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Unscored —
Special:UserLogin?returnto=interwiki:foo will redirect to external sites
Mediawiki before 1.28.1 / 1.27.2 / 1.23.16 has a flaw where Special:UserLogin?returnto=interwiki:foo will redirect to external sites.
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Unscored —
Spam blacklist ineffective on encoded URLs inside file inclusion syntax's link parameter
Mediawiki before 1.28.1 / 1.27.2 / 1.23.16 contains a flaw were Spam blacklist is ineffective on encoded URLs inside file inclusion syntax's link parameter.
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Unscored —
Having LocalisationCache directory default to system tmp directory is insecure
Mediawiki before 1.28.1 / 1.27.2 contains an unsafe use of temporary directory, where having LocalisationCache directory default to system tmp directory is insecure.