CVE-2026-103051Stored i18n XSSs in CentralNotice
Updated under an hour ago ()
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It affects The Wikimedia Foundation Mediawiki - CentralNotice extension. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CentralNotice extension allows Stored XSS. This issue affects Mediawiki - CentralNotice extension: before 1.46.1, 1.45.5, 1.43.10.
- CVSS
- 6.1 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- wikimedia-foundation
- NVD analysis
- Awaiting Analysis
- Record last updated
- Sep 30, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
The Wikimedia Foundation Mediawiki - CentralNotice extension wikimedia_foundation:mediawiki_centralnotice_extension (from the name) | before 1.46.1, 1.45.5, 1.43.10 | CNA record |
References
- https://phabricator.wikimedia.org/T432419issue-tracking
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CentralNotice/+/1346103mitigation
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.