Medium severity · published Oct 21, 2025
CVE-2025-62695
Stored XSS through system messages
6.9
CVSS
0.4%
EPSS
No
On KEV
Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - WikiLambda Extension allows Stored XSS.This issue affects Mediawiki - WikiLambda Extension: master.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MW
Mediawiki - WikiLambda Extension · The Wikimedia Foundation
master · source: vendor
Affected product
MW
Mediawiki - WikiLambda Extension
The Wikimedia Foundation
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-62695
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-62695
gerrit.wikimedia.org
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/WikiLambda/+/1173952
phabricator.wikimedia.org
https://phabricator.wikimedia.org/T400500
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