CVE-2025-6590

MEDIUM EPSS 24.3%

Published Feb 2, 20264mo ago · Modified Jun 17, 20261w ago

4.6 CVSS 4.0

Medium

Published Feb 2, 2026 4mo ago

Last Modified Jun 17, 2026 1w ago

Description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLUserTextField.Php. This issue affects MediaWiki: from * through 1.39.12, 1.42.76 1.43.1, 1.44.0.

CVSS Details

Base Score

4.6

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity High

Privileges Required None

User Interaction A

Scope X

Threat Intelligence

EPSS Exploit Probability

24.3% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Information Exposure

References 1

phabricator.wikimedia.org https://phabricator.wikimedia.org/T392746

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.