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Medium 5.4
An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. There is Blind Stor…
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Medium 5.3
An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. The REST API public…
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Medium 5.3
MediaWiki allows a denial of service
MediaWiki before 1.36.2 allows a denial of service (resource consumption because of lengthy query processing time). Visiting Special:Contributions can sometimes result in a long running SQL query because PoolCounter protection is mishandled.
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Medium 6.1
Wikimedia Parsoid vulnerable to Cross-site Scripting (XSS)
An issue was discovered in Wikimedia Parsoid before 0.11.1 and 0.12.x before 0.12.2. An attacker can send crafted wikitext that Utils/WTUtils.php will transform by using a <meta> tag, bypassing sanitization steps, and potentially allowing for XSS.
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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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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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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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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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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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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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Medium 5.3
Tarball was missing .htaccess files
Mediawiki 1.31 before 1.31.1 misses .htaccess files in the provided tarball used to protect some directories that shouldn't be web accessible.