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Cross-site Scripting (XSS) Affecting mediawiki package, versions <1:1.31.14-1~deb10u1

0.0
medium

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Scope Changed

    Threat Intelligence

    EPSS 0.37% (73rd percentile)
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NVD
6.1 medium
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Red Hat
6.1 medium

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  • Snyk ID SNYK-DEBIAN10-MEDIAWIKI-1243872
  • published 7 Apr 2021
  • disclosed 6 Apr 2021
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Introduced: 6 Apr 2021

CVE-2021-30157 Open this link in a new tab
CWE-79 Open this link in a new tab

How to fix?

Upgrade Debian:10 mediawiki to version 1:1.31.14-1~deb10u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mediawiki package and not the mediawiki package as distributed by Debian. See How to fix? for Debian:10 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.