CVE-2014-9253 Cross-site scripting in n/a

Medium 4.3 Published 17 Dec 2014 Updated 6 Aug 2024

Remote attackers can execute arbitrary web script or HTML by uploading a malicious SWF file and accessing it via the media parameter.

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

What is CVE-2014-9253?

CVE-2014-9253 is a medium-severity cross-site scripting vulnerability in n/a, published on 17 Dec 2014. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

The default file type whitelist configuration in conf/mime.conf in the Media Manager in DokuWiki before 2014-09-29b allows remote attackers to execute arbitrary web script or HTML by uploading an SWF file, then accessing it via the media parameter to lib/exe/fetch.php.

Weakness: CWE-79

Which versions are affected by CVE-2014-9253?

It affects 2 products.

Products include Dokuwiki Dokuwiki, Mageia Mageia.

How do I fix CVE-2014-9253?

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-2014-9253 being exploited?

There is no known exploitation of CVE-2014-9253 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2014-9253, GHSA-g587-72hj-w684, MGASA-2014-0540.