Low severity · published Sep 14, 2026
CVE-2023-37253
An issue was discovered in the ProofreadPage extension for MediaWiki through 1.39.3
3.1
CVSS
0.2%
EPSS
No
On KEV
Description
An issue was discovered in the ProofreadPage extension for MediaWiki through 1.39.3. It leaks information about a suppressed user via the API and config variables.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PR
ProofreadPage · MediaWiki
before 1.35.11; 1.36.0 before 1.38.7; 1.39.0 before 1.39.4 · source: vendor