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CVE-2021-41798

Medium priority
Needs evaluation

MediaWiki before 1.36.2 allows XSS. Month related MediaWiki messages are not escaped before being used on the Special:Search results page.

1 affected package

mediawiki

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mediawiki Needs evaluation Needs evaluation Needs evaluation Ignored Ignored
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CVE-2021-42040

Medium priority
Needs evaluation

An issue was discovered in MediaWiki through 1.36.2. A parser function related to loop control allowed for an infinite loop (and php-fpm hang) within the Loops extension because egLoopsCountLimit is mishandled. This could lead to...

1 affected package

mediawiki

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mediawiki Needs evaluation Needs evaluation Needs evaluation Ignored Ignored
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CVE-2021-35197

Low priority
Needs evaluation

In MediaWiki before 1.31.15, 1.32.x through 1.35.x before 1.35.3, and 1.36.x before 1.36.1, bots have certain unintended API access. When a bot account has a "sitewide block" applied, it is able to still "purge" pages through the...

1 affected package

mediawiki

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mediawiki Needs evaluation Needs evaluation Needs evaluation Ignored Ignored
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CVE-2021-30458

Medium priority
Needs evaluation

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...

1 affected package

mediawiki

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mediawiki Needs evaluation Needs evaluation Needs evaluation Ignored Ignored
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CVE-2021-30159

Medium priority
Vulnerable

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Users can bypass intended restrictions on deleting pages in certain "fast double move" situations. MovePage::isValidMoveTarget() uses FOR...

1 affected package

mediawiki

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mediawiki Vulnerable Vulnerable Vulnerable Vulnerable Not affected
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CVE-2021-30156

Medium priority
Vulnerable

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Special:Contributions can leak that a "hidden" user exists.

1 affected package

mediawiki

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mediawiki Vulnerable Vulnerable Vulnerable Vulnerable Vulnerable
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CVE-2021-30155

Medium priority
Ignored

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. ContentModelChange does not check if a user has correct permissions to create and set the content model of a nonexistent page.

1 affected package

mediawiki

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mediawiki Not affected Not affected Not affected
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CVE-2021-30152

Medium priority
Vulnerable

An issue was discovered in MediaWiki before 1.31.13 and 1.32.x through 1.35.x before 1.35.2. When using the MediaWiki API to "protect" a page, a user is currently able to protect to a higher level than they currently have permissions for.

1 affected package

mediawiki

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mediawiki Vulnerable Vulnerable Vulnerable Vulnerable Vulnerable
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CVE-2021-30158

Medium priority
Vulnerable

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Blocked users are unable to use Special:ResetTokens. This has security relevance because a blocked user might have accidentally shared a...

1 affected package

mediawiki

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mediawiki Vulnerable Vulnerable Vulnerable Vulnerable Vulnerable
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CVE-2021-30157

Medium priority
Vulnerable

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. On ChangesList special pages such as Special:RecentChanges and Special:Watchlist, some of the rcfilters-filter-* label messages are...

1 affected package

mediawiki

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mediawiki Vulnerable Vulnerable Vulnerable Not affected Not affected
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