An issue was discovered in the GlobalBlocking extension in MediaWiki before 1.40.2. For a Special:GlobalBlock?uselang=x-xss URI, i18n-based XSS can occur via the parentheses message. This affects subtitle links in buildSubtitleLinks.
Max CVSS
6.1
EPSS Score
0.05%
Published
2024-01-12
Updated
2024-01-18
An issue was discovered in the WatchAnalytics extension in MediaWiki before 1.40.2. XSS can occur via the Special:PageStatistics page parameter.
Max CVSS
6.1
EPSS Score
0.05%
Published
2024-01-12
Updated
2024-01-18
An issue was discovered in the Cargo extension in MediaWiki before 1.35.14, 1.36.x through 1.39.x before 1.39.6, and 1.40.x before 1.40.2. The Special:Drilldown page allows XSS via artist, album, and position parameters because of applied filter values in drilldown/CargoAppliedFilter.php.
Max CVSS
6.1
EPSS Score
0.05%
Published
2024-01-12
Updated
2024-01-18
An issue was discovered in MediaWiki before 1.35.14, 1.36.x through 1.39.x before 1.39.6, and 1.40.x before 1.40.2. In includes/logging/RightsLogFormatter.php, group-*-member messages can result in XSS on Special:log/rights.
Max CVSS
6.1
EPSS Score
0.05%
Published
2023-12-22
Updated
2023-12-29
An issue was discovered in the ProofreadPage extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. XSS can occur via formatNumNoSeparators.
Max CVSS
6.1
EPSS Score
0.05%
Published
2023-10-09
Updated
2023-10-12
An issue was discovered in the Wikibase extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. There is no rate limit for merging items.
Max CVSS
7.5
EPSS Score
0.05%
Published
2023-10-09
Updated
2023-10-12
An issue was discovered in the CheckUser extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. A user can use a rest.php/checkuser/v0/useragent-clienthints/revision/ URL to store an arbitrary number of rows in cu_useragent_clienthints, leading to a denial of service.
Max CVSS
6.5
EPSS Score
0.04%
Published
2023-10-09
Updated
2023-10-12
An issue was discovered in ApiPageSet.php in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. It allows attackers to cause a denial of service (unbounded loop and RequestTimeoutException) when querying pages redirected to other variants with redirects and converttitles set.
Max CVSS
7.5
EPSS Score
0.05%
Published
2023-10-09
Updated
2023-11-28
An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. In certain situations, an attempt to block a user fails after a temporary browser hang and a DBQueryDisconnectedError error message.
Max CVSS
9.8
EPSS Score
0.09%
Published
2023-06-30
Updated
2023-07-07
An issue was discovered in SiteLinksView.php in Wikibase in MediaWiki through 1.39.3. There is XSS via a crafted badge title attribute. This is also related to lack of escaping in wbTemplate (from resources/wikibase/templates.js) for quotes (which can be in a title attribute).
Max CVSS
6.1
EPSS Score
0.05%
Published
2023-06-30
Updated
2023-07-07
An issue was discovered in the Cargo extension for MediaWiki through 1.39.3. It allows one to store javascript: URLs in URL fields, and automatically links these URLs.
Max CVSS
6.1
EPSS Score
0.05%
Published
2023-06-29
Updated
2023-07-06
An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. In Special:CheckUser, a check of the "get edits" type is vulnerable to HTML injection through the User-Agent HTTP request header.
Max CVSS
6.1
EPSS Score
0.05%
Published
2023-06-29
Updated
2023-07-06
An issue was discovered in the Cargo extension for MediaWiki through 1.39.3. XSS can occur in Special:CargoQuery via a crafted page item when using the default format.
Max CVSS
6.1
EPSS Score
0.05%
Published
2023-06-29
Updated
2023-07-06
An issue was discovered in the GoogleAnalyticsMetrics extension for MediaWiki through 1.39.3. The googleanalyticstrackurl parser function does not properly escape JavaScript in the onclick handler and does not prevent use of javascript: URLs.
Max CVSS
6.1
EPSS Score
0.05%
Published
2023-06-29
Updated
2023-07-06
An issue was discovered in MediaWiki before 1.35.11, 1.36.x through 1.38.x before 1.38.7, and 1.39.x before 1.39.4. BlockLogFormatter.php in BlockLogFormatter allows XSS in the partial blocks feature.
Max CVSS
6.1
EPSS Score
0.06%
Published
2023-06-26
Updated
2023-09-15
An issue was discovered in MediaWiki before 1.35.10, 1.36.x through 1.38.x before 1.38.6, and 1.39.x before 1.39.3. An auto-block can occur for an untrusted X-Forwarded-For header.
Max CVSS
9.8
EPSS Score
0.12%
Published
2023-03-31
Updated
2023-08-23
An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. When a user with checkuserlog permissions makes many CheckUserLog API requests in some configurations, denial of service can occur (RequestTimeoutException or upstream request timeout).
Max CVSS
6.5
EPSS Score
0.05%
Published
2023-03-31
Updated
2023-04-11
An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1. E-Widgets does widget replacement in HTML attributes, which can lead to XSS, because widget authors often do not expect that their widget is executed in an HTML attribute context.
Max CVSS
6.1
EPSS Score
0.08%
Published
2023-01-10
Updated
2023-02-27
Mediawiki v1.40.0 does not validate namespaces used in XML files. Therefore, if the instance administrator allows XML file uploads, a remote attacker with a low-privileged user account can use this exploit to become an administrator by sending a malicious link to the instance administrator.
Max CVSS
9.0
EPSS Score
0.13%
Published
2023-09-25
Updated
2024-02-01
An issue was discovered in MediaWiki before 1.37.3 and 1.38.x before 1.38.1. The contributions-title, used on Special:Contributions, is used as page title without escaping. Hence, in a non-default configuration where a username contains HTML entities, it won't be escaped.
Max CVSS
6.1
EPSS Score
0.13%
Published
2022-07-02
Updated
2023-05-21
An issue was discovered in MediaWiki before 1.35.7, 1.36.x and 1.37.x before 1.37.3, and 1.38.x before 1.38.1. XSS can occur in configurations that allow a JavaScript payload in a username. After account creation, when it sets the page title to "Welcome" followed by the username, the username is not escaped: SpecialCreateAccount::successfulAction() calls ::showSuccessPage() with a message as second parameter, and OutputPage::setPageTitle() uses text().
Max CVSS
6.1
EPSS Score
0.28%
Published
2022-07-02
Updated
2023-05-21
An issue was discovered in MediaWiki through 1.38.1. The lemma length of a Wikibase lexeme is currently capped at a thousand characters. Unfortunately, this length is not validated, allowing much larger lexemes to be created, which introduces various denial-of-service attack vectors within the Wikibase and WikibaseLexeme extensions. This is related to Special:NewLexeme and Special:NewProperty.
Max CVSS
7.5
EPSS Score
0.16%
Published
2022-06-28
Updated
2022-07-07
The Nimbus skin for MediaWiki through 1.37.2 (before 6f9c8fb868345701d9544a54d9752515aace39df) allows XSS in Advertise link messages.
Max CVSS
6.1
EPSS Score
0.09%
Published
2022-04-29
Updated
2022-05-07
The admin API module in the QuizGame extension for MediaWiki through 1.37.2 (before 665e33a68f6fa1167df99c0aa18ed0157cdf9f66) omits a check for the quizadmin user.
Max CVSS
9.8
EPSS Score
0.21%
Published
2022-04-29
Updated
2022-05-10
The SemanticDrilldown extension for MediaWiki through 1.37.2 (before e688bdba6434591b5dff689a45e4d53459954773) allows SQL injection with certain '-' and '_' constraints.
Max CVSS
9.8
EPSS Score
0.16%
Published
2022-04-29
Updated
2022-05-10
167 vulnerabilities found
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