Vulnerability in MediaWiki
CVE-2025-53501
Improper Access Control vulnerability in Wikimedia Foundation Mediawiki - Scribunto Extension allows : Accessing Functionality Not Properly Constrained by Authorization.This issue affects Mediawiki - Scribunto Extension: from 1.39.X before 1.39.12, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (27.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000
Affected products
- MediaWiki
- Wikimedia Foundation MediaWiki - Scribunto Extension — versions 1.39.x, 1.42.x, 1.43.x
- Xtex Scribunto
Weakness classification (CWE)
Public proof-of-concept exploits
References
- c4f26cc8-17ff-4c99-b5e2-38fc1793eacc (Exploit, Patch, Issue Tracking)
- c4f26cc8-17ff-4c99-b5e2-38fc1793eacc (Patch)
Frequently asked questions
- What is CVE-2025-53501?
- CVE-2025-53501 is a high-severity vulnerability in MediaWiki, classified under Improper Access Control. CVSS score: 8.8/10. Published 2025-07-03.
- How severe is CVE-2025-53501?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-53501 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.