---
title: "CVE-2015-6729\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2015-6729?format=md
keywords: index, follow
---

# CVE-2015-6729

Publication date 1 September 2015

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

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## Description

Cross-site scripting (XSS) vulnerability in thumb.php in MediaWiki before
1.23.10, 1.24.x before 1.24.3, and 1.25.x before 1.25.2 allows remote
attackers to inject arbitrary web script or HTML via the rel404 parameter,
which is not properly handled in an error page.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2015-6729?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| mediawiki | 18.04 LTS bionic | Not affected |
| 17.10 artful | Ignored end of life |
| 17.04 zesty | Ignored end of life |
| 16.10 yakkety | Ignored end of life |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Ignored end of life |
| 15.04 vivid | Ignored end of life |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Ignored end of life |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2015-6729?format=md#patch-details)

## Notes

---

### [msalvatore](https://launchpad.net/~msalvatore)

vulnerability introduced in 1.21

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| mediawiki | * Upstream:   <https://phab.wmfusercontent.org/file/data/zm24swymokh5ac5bqsms/PHID-FILE-n2jrbxtlmei74wxmvbsa/T97391.patch> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-6729)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2015-6729)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2015-6729)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2015-6729)

### Other references

* <https://phabricator.wikimedia.org/T97391>
* <http://www.openwall.com/lists/oss-security/2015/08/27>
* <https://www.cve.org/CVERecord?id=CVE-2015-6729>