CVE-2026-34093CWE-200

Special:UserRights allows viewing user rights from private wiki

Low · published May 11, 2026

CVSS v4.0
1.1
EPSS
0%
Percentile
22.8
In the wild
Unconfirmed
What it is

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.

This vulnerability is associated with program files includes/Specials/SpecialUserRights.Php.

This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.

The record
Technical detail
CVSS v4.0
1.1 · LOW
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/R:A
EPSS
0.00312 · 22.8th percentile
Weakness
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Published
2026-05-11T16:48Z
EPSS history
Timeline
  • 11 MAY 16:48Z
    Special:UserRights allows viewing user rights from private wiki
    cvelistv5