CVE-2020-35475

HighCVSS 7.5/10Last modified Jun 17, 2026

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.)

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-79

Affected software

No affected versions have been published.

Timeline

Published: Dec 18, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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