Cross-site Scripting (XSS) Affecting mediawiki package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.55% (78th percentile)

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  • Snyk IDSNYK-RHEL9-MEDIAWIKI-3439878
  • published26 Mar 2023
  • disclosed22 Mar 2021

Introduced: 22 Mar 2021

CVE-2021-30157  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:9 mediawiki.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mediawiki package and not the mediawiki package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

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 output in HTML unescaped, leading to XSS.

CVSS Scores

version 3.1