CVE-2026-39935
XSS-via-i18n in localised wiki names
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
15th
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CampaignEvents Extension allows Cross-Site Scripting (XSS). This issue was remediated only on the `master` branch.
| CWE | CWE-79 |
| Vendor | the wikimedia foundation |
| Product | mediawiki - campaignevents extension |
| Published | Apr 7, 2026 |
| Last Updated | Apr 8, 2026 |
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Affected Versions
The Wikimedia Foundation / Mediawiki - CampaignEvents Extension
1.43 1.44 1.45 0 < 1.43
References
Credits
Daimona