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Medium 6.9Published Oct 20, 2025

CVE-2025-62700Stored XSS through a system message in MultiBoilerplate

Updated under an hour ago ()

Does this affect you?

It affects The Wikimedia Foundation Mediawiki - MultiBoilerplate Extensionmaste. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - MultiBoilerplate Extensionmaste allows Stored XSS.This issue affects Mediawiki - MultiBoilerplate Extensionmaste: from master before 1.39.

CVSS
6.9 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L
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
Deferred
Record last updated
Oct 20, 2025
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
The Wikimedia Foundation Mediawiki - MultiBoilerplate Extensionmaste
wikimedia_foundation:mediawiki_multiboilerplate_extensionmaste (from the name)
from master before 1.39
CNA record

References

References

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.

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