CVE-2025-32079 Details
Description
Improper Input Validation vulnerability in The Wikimedia Foundation Mediawiki - GrowthExperiments allows HTTP DoS.This issue affects Mediawiki - GrowthExperiments: from 1.39 through 1.43.
A denial-of-service vulnerability has been identified in the Wikimedia Foundation's MediaWiki GrowthExperiments extension, affecting versions 1.39 through 1.43. This vulnerability arises from improper input validation in the CommunityStructuredMentorListValidator, which is responsible for validating data in the MediaWiki:GrowthMentors.json file. When this file contains invalid data, such as a string instead of a required integer, it can cause fatal errors for users assigned as mentees, effectively disrupting their access to the site.
The vulnerability has been addressed by restoring proper validation for the GrowthMentors.json file. Users should ensure they are using the patched version of the GrowthExperiments extension.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Apr 11, 2025CISA-ADP
Assessed Apr 11, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://gerrit.wikimedia.org/r/c/mediawiki/extensions/GrowthExperiments/+/1114020 | wikimedia-foundation | Source CodeVendor |
| https://phabricator.wikimedia.org/T384244 | wikimedia-foundation | ExploitIssue TrackingTechnical DescriptionVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-20 | Improper Input Validation | wikimedia-foundation |
Affected Products
| Product | Versions |
|---|---|
| Wikimedia Foundation Mediawiki - GrowthExperiments | All versions |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | wikimedia-foundation |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jul 7, 2025 | CVE Modified | CISA-ADP |
| Jul 3, 2025 | CVE Modified | wikimedia-foundation |
| Apr 11, 2025 | New CVE Received | wikimedia-foundation |
Volerion