CVE-2020-35475

mediawiki: messages userrights-expiry-current and userrights-expiry-none can contain raw html

Published Dec 18, 2020 CVSS 3.1 · 7.5 High EPSS 1.6% KEV · Not listed
Description
In MediaWiki before 1.35.1, the messages userrights-expiry-current and userrights-expiry-none can contain raw HTML. XSS can happen when a user visits Special:UserRights but does not have rights to change all userrights, and the table on the left side has unchangeable groups in it. (The right column with the changeable groups is not affected and is escaped correctly.)

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-4816-1 mediawiki security update
EUVD EUVD EUVD-2020-23147 In MediaWiki before 1.35.1, the messages userrights-expiry-current and userrights-expiry-none can contain raw HTML. XSS can happen when a user visits Special:UserRights but does not have rights to change all userrights, and the table on the left side has unchangeable groups in it. (The right column with the changeable groups is not affected and is escaped correctly.)
History

No history.

Weaknesses
  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 4, 2024, 5:02 PM
Reserved
Dec 16, 2020, 12:00 AM
Status
Modified
Published
Dec 18, 2020, 8:15 AM
Modified
Jun 17, 2026, 3:13 AM
Severity
Moderate
Public date
Dec 18, 2020, 12:00 AM