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Fencer Vulns
medium 5.3

CVE-2025-23080 json

XSSes in Special:BadgeView

published 2025-01-14 21 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-3109

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits
0
none known

Summary

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.

Patch / fix

  • Wikimedia Foundation Mediawiki - OpenBadges Extension 1.39.11, 1.41.3, 1.42.2

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

0.31% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

  • Wikimedia Foundation Mediawiki - OpenBadges Extension

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.