Critical severity · published Jul 7, 2025
CVE-2025-53499
Unauthorized Inspection of Protected Variables in AbuseFilter
9.1
CVSS
0.3%
EPSS
No
On KEV
Description
Missing Authorization vulnerability in Wikimedia Foundation Mediawiki - AbuseFilter Extension allows Unauthorized Access.This issue affects Mediawiki - AbuseFilter Extension: from 1.43.X before 1.43.2.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Mediawiki - AbuseFilter Extension · Wikimedia Foundation
1.43.x before 1.43.2 · source: vendor
Affected product
MA
Mediawiki - AbuseFilter Extension
Wikimedia Foundation
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-53499
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-53499
gerrit.wikimedia.org
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/1166045
phabricator.wikimedia.org
https://phabricator.wikimedia.org/T397196
More from Mediawiki - AbuseFilter Extension
9.1
CVE-2025-53495
Unauthorized Disclosure of IP Reputation in AbuseFilter
5.3
CVE-2025-53498
Lack of Audit Logging in AbuseFilter