Description
An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. Some unprivileged users can view confidential information (e.g., IP addresses and User-Agent headers for election traffic) on a testwiki SecurePoll instance.
References (3)
Core 3
Core References
Third Party Advisory x_refsource_misc
https://phabricator.wikimedia.org/T290808
Third Party Advisory x_refsource_misc
https://phabricator.wikimedia.org/T290856
Third Party Advisory x_refsource_misc
https://gerrit.wikimedia.org/r/q/Ib2715adb281f8892b586dcb1895e87ac0eb548b0
Scores
CVSS v3
6.5
EPSS
0.0025
EPSS Percentile
48.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-200
Status
published
Products (1)
mediawiki/mediawiki
< 1.35.5
Published
Jan 10, 2022
Tracked Since
Feb 18, 2026