CVE-2015-6730 Cross-site scripting in n/a

Medium 4.3 Published 1 Sep 2015 Updated 6 Aug 2024

Remote attackers can inject arbitrary web script or HTML via the f parameter in thumb.php, requiring user interaction to execute.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2015-6730?

CVE-2015-6730 is a medium-severity cross-site scripting vulnerability in Mediawiki Mediawiki, published on 1 Sep 2015. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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 f parameter, which is not properly handled in an error page, related to "ForeignAPI images."

Weakness: CWE-79

Which versions are affected by CVE-2015-6730?

It affects 1 product.

Products include Mediawiki Mediawiki.

How do I fix CVE-2015-6730?

Upgrade to a fixed version.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2015-6730 being exploited?

There is no known exploitation of CVE-2015-6730 in the wild and no public exploit code.

All Mediawiki Mediawiki vulnerabilities

Sources

Also known as DEBIAN-CVE-2015-6730, GHSA-65vq-6f4x-4xq4.