CVE-2015-6729 Cross-site scripting in n/a
Remote attackers can inject arbitrary web script or HTML via the rel404 parameter in MediaWiki's thumb.php error page, 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
- None listed
What is CVE-2015-6729?
CVE-2015-6729 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 rel404 parameter, which is not properly handled in an error page.
Weakness: CWE-79
Which versions are affected by CVE-2015-6729?
It affects 1 product.
Products include Mediawiki Mediawiki.
How do I fix CVE-2015-6729?
No fix has been published for CVE-2015-6729 yet. Limit exposure of the affected software until one is available.
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-2015-6729 being exploited?
There is no known exploitation of CVE-2015-6729 in the wild and no public exploit code.
Other vulnerabilities in Mediawiki Mediawiki
Sources
Also known as GHSA-96wq-382g-99vw.