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Vulnerability Intelligence

CVE-2025-6589 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2025-6589

CVE-2025-6589

LOW2.1

With MultiBlocks enabled and a user who is suppressed via a MultiBlock, a user without 'hideuser' can see the hidden username in the BlockList

Published Feb 2, 2026

Modified 1 weeks ago

Details

Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/specials/pagers/BlockListPager.Php.

This issue affects MediaWiki: >= 1.42.0.

References

https://phabricator.wikimedia.org/T391343

https://www.cve.org/CVERecord?id=CVE-2025-6589

CVSS Analysis

CVSS v4.0

2.1

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Attack Requirements

PresentAT:P

Privileges Required

HighPR:H

User Interaction

NoneUI:N

Vulnerable System

Vuln. Confidentiality

LowVC:L

Vuln. Integrity

NoneVI:N

Vuln. Availability

NoneVA:N

Subsequent System

Subseq. Confidentiality

LowSC:L

Subseq. Integrity

NoneSI:N

Subseq. Availability

NoneSA:N

2.1/CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/AU:Y

Ecosystems

Timeline

PublishedFeb 2, 2026

ModifiedMar 3, 2026