CVE-2020-35622

EUVD-2020-23288
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 38%
Affected Products (NVD)
VendorProductVersion
mediawikimediawiki
𝑥
≤ 1.35.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/GlobalUsage/+/646744
https://phabricator.wikimedia.org/T268341
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/GlobalUsage/+/646744
https://phabricator.wikimedia.org/T268341