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.
References
Link Resource
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/GlobalUsage/+/646744 Issue Tracking Patch Third Party Advisory
https://phabricator.wikimedia.org/T268341 Third Party Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2020-12-21T22:37:29

Updated: 2020-12-21T22:37:29

Reserved: 2020-12-21T00:00:00


Link: CVE-2020-35622

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2020-12-21T23:15:12.373

Modified: 2020-12-22T17:50:56.623


Link: CVE-2020-35622

JSON object: View

cve-icon Redhat Information

No data.

CWE