Low severity · published Feb 3, 2026
CVE-2025-61649
UserInfoCard: Check that performing user has permission to view log entries for number of past blocks
1.1
CVSS
0.4%
EPSS
No
On KEV
Description
Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files src/Services/CheckUserUserInfoCardService.Php.
This issue affects CheckUser: from 7cedd58781d261f110651b6af4f41d2d11ae7309.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
CheckUser · Wikimedia Foundation
7cedd58781d261f110651b6af4f41d2d11ae7309 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-61649
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-61649
phabricator.wikimedia.org
https://phabricator.wikimedia.org/T397396
More from CheckUser
8.8
CVE-2025-67478
Wrong E-Mail address composition for usernames with a comma and Umlauts in it like "Döe, Jähn"
7.5
CVE-2026-34090
Suggested investigations: Handle suppressed usernames
6.1
CVE-2025-61651
i18n XSS through Special:CheckUser CheckUser helper
6.1
CVE-2025-61648
Stored XSS through system messages in CheckUser
4.8
CVE-2026-58034
Stored XSS through a system message when blocking a temporary account that's related to other temporary accounts