XSS in Wikimedia Foundation MediaWiki - Openbadges Extension

CVE-2025-23080

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - OpenBadges Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - OpenBadges Extension: from 1.39.X before 1.39.11, from 1.41.X before 1.41.3, from 1.42.X before 1.42.2.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-23080: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-23080?
CVE-2025-23080 is a medium-severity vulnerability in Wikimedia Foundation MediaWiki - Openbadges Extension, classified under Cross-site Scripting. CVSS score: 5.3/10. Published 2025-01-14.
How severe is CVE-2025-23080?
Medium severity. CVSS v3 base score is 5.3 out of 10.