CVE-2025-6590
Unknown
Unknown - Not Provided
Sensitive Information Exposure in MediaWiki HTMLUserTextField Component
Publication date: 2026-02-02
Last updated on: 2026-02-02
Assigner: wikimedia-foundation
Description
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 Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| wikimedia | mediawiki | to 1.39.12 (inc) |
| wikimedia | mediawiki | 1.42.76 |
| wikimedia | mediawiki | 1.43.1 |
| wikimedia | mediawiki | 1.44.0 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-200 | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in Wikimedia Foundation MediaWiki involves the exposure of sensitive information to unauthorized actors. It is related to the program file includes/htmlform/fields/HTMLUserTextField.Php and affects multiple versions of MediaWiki up to 1.44.0.
How can this vulnerability impact me? :
The vulnerability can lead to unauthorized access to sensitive information, potentially compromising data confidentiality and privacy for users of affected MediaWiki versions.
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