CVE-2016-9891 Cross-site scripting in n/a

Medium 5.4 Published 29 Dec 2016 Updated 6 Aug 2024

Authenticated attackers can inject arbitrary scripts via media title parameters in Dotclear, potentially compromising user sessions.

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: None listed

What is CVE-2016-9891?

CVE-2016-9891 is a medium-severity cross-site scripting vulnerability in n/a, published on 29 Dec 2016. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Cross-site scripting (XSS) vulnerability in admin/media.php and admin/media_item.php in Dotclear before 2.11 allows remote authenticated users to inject arbitrary web script or HTML via the upfiletitle or media_title parameter (aka the media title).

Weakness: CWE-79

Which versions are affected by CVE-2016-9891?

It affects 1 product.

Products include Dotclear Dotclear.

How do I fix CVE-2016-9891?

No fix has been published for CVE-2016-9891 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-2016-9891 being exploited?

There is no known exploitation of CVE-2016-9891 in the wild and no public exploit code.

Sources

Also known as GHSA-f76j-25f8-frg7, UBUNTU-CVE-2016-9891.