VulnerabilityModified
CVE-2020-35622
SpecialGlobalUsage.php calls WikiMap::makeForeignLink unsafely.
MEDIUM 6.1EPSS 0.66%
Does this matter?
Lower severity and a low EPSS score (0.66%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.66% probability · 50th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- mediawiki/mediawiki
- Source
- cve@mitre.org
References
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/GlobalUsage/+/646744Issue Tracking, Patch, Third Party Advisory
- https://phabricator.wikimedia.org/T268341Third Party Advisory
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/GlobalUsage/+/646744Issue Tracking, Patch, Third Party Advisory
- https://phabricator.wikimedia.org/T268341Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.