CVEvulnerability
CVE-2020-35622
6.1 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-12-21
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-79
Description
An issue was discovered in the GlobalUsage extension for MediaWiki through 1.35.1. SpecialGlobalUsage.php calls WikiMap::makeForeignLink unsafely. The $page variable within the formatItem function was not being properly escaped, allowing for XSS under certain conditions.
Affected configurations
• mediawiki mediawiki (<= 1.35.1)
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/GlobalUsage/+/646744 Issue Tracking, Patch, Third Party Advisory
- https://phabricator.wikimedia.org/T268341 Third Party Advisory
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/GlobalUsage/+/646744 Issue Tracking, Patch, Third Party Advisory
- https://phabricator.wikimedia.org/T268341 Third Party Advisory