CVE-2010-2230 Moodle Cross-site Scripting vulnerability in the KSES text cleaning filter

Medium 4.0 Published Updated

Authenticated users can execute cross-site scripting attacks via vbscript URIs in Moodle's text filter, potentially compromising other users' 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
Available

What is CVE-2010-2230?

CVE-2010-2230 is a medium-severity cross-site scripting vulnerability in Moodle Moodle, published on 28 Jun 2010. 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 KSES text cleaning filter in lib/weblib.php in Moodle before 1.8.13 and 1.9.x before 1.9.9 does not properly handle vbscript URIs, which allows remote authenticated users to conduct cross-site scripting (XSS) attacks via HTML input.

Weakness: CWE-79

Which versions are affected by CVE-2010-2230?

4 open source packages ship an affected version, including moodle/moodle. It affects 1 product.

PackageAffectedFixed in
moodle/moodle PackagistAll versions1.8.13
moodle/moodle PackagistAll versions1.8.13
moodle/moodle PackagistFrom 1.9.01.9.9
moodle/moodle PackagistFrom 1.9.01.9.9

Products include Moodle Moodle.

How do I fix CVE-2010-2230?

Upgrade moodle/moodle to a fixed version for your release line: 1.8.13 or 1.9.9.

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-2010-2230 being exploited?

There is no known exploitation of CVE-2010-2230 in the wild and no public exploit code.

All Moodle Moodle vulnerabilities

Sources

Also known as DEBIAN-CVE-2010-2230, GHSA-3gm8-32vv-q8mp.

Is CVE-2010-2230 in your software?

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

Check your SBOMs for free