CVE-2025-67476
Use-After-Free Vulnerability in MediaWiki ImportableOldRevisionImporter Module
Publication date: 2026-02-03
Last updated on: 2026-04-14
Assigner: wikimedia-foundation
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mediawiki | mediawiki | 1.45.0 |
| mediawiki | mediawiki | From 1.44.0 (inc) to 1.44.3 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know
Can you explain this vulnerability to me?
This vulnerability exists in the Wikimedia Foundation's MediaWiki software, specifically in the program file includes/Import/ImportableOldRevisionImporter.Php. It affects versions before 1.44.3 and version 1.45.1. The exact technical details of the vulnerability are not provided.
How can this vulnerability impact me? :
The impact details of this vulnerability are not specified. Given the low CVSS base score of 1.3, it likely represents a low-severity issue with limited impact, but exact effects are not described.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
There is no information available regarding the impact of this vulnerability on compliance with standards such as GDPR or HIPAA.