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Low severity · published Sep 30, 2026
CVE-2026-103445
Stored XSS through PageForms #autoedit redirect links
1.2
CVSS
0.3%
EPSS
No
On KEV
Description
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Page_Forms extension allows Stored XSS. This issue affects MediaWiki Page_Forms extension: 1.46, 1.45, and 1.43.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MP
MediaWiki Page_Forms extension · The Wikimedia Foundation
1.46; 1.45; 1.43 · source: vendor
Affected product
MP
MediaWiki Page_Forms extension
The Wikimedia Foundation
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-103445
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-103445
phabricator.wikimedia.org
https://phabricator.wikimedia.org/T435622
gerrit.wikimedia.org
https://gerrit.wikimedia.org/r/q/I4ace525a1c1760ecdd1d770380606d9960d3e644