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VULNERABILITIES

CVE-2020-35474 Details

Description

In MediaWiki before 1.35.1, the combination of Html::rawElement and Message::text leads to XSS because the definition of MediaWiki:recentchanges-legend-watchlistexpiry can be changed onwiki so that the output is raw HTML.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/ CVE
https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html CVEMailing ListRelease NotesVendor Advisory
https://phabricator.wikimedia.org/T268894 CVEExploitThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC/ [email protected]
https://lists.wikimedia.org/pipermail/mediawiki-announce/2020-December/000268.html [email protected]Mailing ListRelease NotesVendor Advisory

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')[email protected]

Affected Products

ProductVersions
mediawiki mediawiki
< 1.35.1

CPE

  • cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
fedoraproject fedora
33

CPE

  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-35474
NVD Published Date:
Dec 18, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-35474 Details - Not Deferred