CVE-2011-4591 Cross-site scripting in n/a

Medium 4.3 Published Updated

Remote attackers can inject arbitrary web script via object states in Moodle when developer debugging is enabled, 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-2011-4591?

CVE-2011-4591 is a medium-severity cross-site scripting vulnerability in Moodle Moodle, published on 20 Jul 2012. 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 the print_object function in lib/datalib.php in Moodle 2.0.x before 2.0.6 and 2.1.x before 2.1.3, when a developer debugging script is enabled, allows remote attackers to inject arbitrary web script or HTML via vectors involving object states.

Weakness: CWE-79

Which versions are affected by CVE-2011-4591?

It affects 1 product.

Products include Moodle Moodle.

How do I fix CVE-2011-4591?

No fix has been published for CVE-2011-4591 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-2011-4591 being exploited?

There is no known exploitation of CVE-2011-4591 in the wild and no public exploit code.

All Moodle Moodle vulnerabilities

Sources

Also known as GHSA-7p9m-wjgf-7xr6.

Is CVE-2011-4591 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free