CVE-2026-22714: i18n XSS, DoS and config SQLI in Monaco

Severity: low (CVSS 2.3 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-01-09 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - Monaco Skin allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Monaco Skin: 1.45, 1.44, 1.43, 1.39.

Affected products

The Wikimedia Foundation Mediawiki - Monaco Skin: 1.45, 1.44, 1.43, 1.39

References

https://gerrit.wikimedia.org/r/q/I00b2e369fa189803380ca7409022a11b670d2500
https://phabricator.wikimedia.org/T411126

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