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CVE-2025-61644: wikimedia foundation mediawiki Cross-site Scripting

CVSS: 0.0v4.0UnknownDeferred
AliasesUBUNTU-CVE-2025-61644
Published 02-02-2026Last modified 03-02-2026
Open JSON

Vulnerability summary

CVE-2025-61644 is a Cross-site Scripting vulnerability in wikimedia foundation mediawiki with no CVSS score yet. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 19.9% of scored vulnerabilities.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
0.0/10
010
Unknown · v4.0 (CVE.org)
EPSS score
0.29%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 02-02-2026
    PublishedVulnerability first disclosed.
  2. 03-02-2026
    Last modifiedVulnerability information updated.

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.Rcfilters/ui/WatchlistTopSectionWidget.Js. This issue affects MediaWiki: from * before > fb856ce9cf121e046305116852cca4899ecb48ca.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

+0.03 pp

From 0.26% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.29%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu1 product
  • mediawikiAll versions (No fix recorded)
Wikimedia foundation1 product
  • mediawiki< > fb856ce9cf121e046305116852cca4899ecb48ca

2 vendors · 2 products

References

3 links