CVE-2011-4306 Moodle XSS Vulnerability
Authenticated users can inject arbitrary scripts into Moodle course sections, 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-2011-4306?
CVE-2011-4306 is a medium-severity cross-site scripting vulnerability in Moodle Moodle, published on 11 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 course/editsection.html in Moodle 1.9.x before 1.9.14 allows remote authenticated users to inject arbitrary web script or HTML via crafted data.
Weakness: CWE-79
Which versions are affected by CVE-2011-4306?
2 open source packages ship an affected version, including moodle/moodle. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
moodle/moodle Packagist | All versions | 1.9.14 |
moodle/moodle Packagist | All versions | 1.9.14 |
Products include Moodle Moodle.
How do I fix CVE-2011-4306?
Upgrade moodle/moodle to 1.9.14 or later.
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-2011-4306 being exploited?
There is no known exploitation of CVE-2011-4306 in the wild and no public exploit code.
Other vulnerabilities in Moodle Moodle
- CVE-2006-4935 File upload in n/a
- CVE-2006-4936 Moodle does not properly validate module instance id
- CVE-2004-2233 Unknown "front page vulnerability with Moodle servers" for Moodle before 1.3.2 has unknown impact and attack vectors.
- CVE-2004-2235 Cross-site scripting in n/a
- CVE-2004-2236 Other in n/a
Sources
Also known as GHSA-r729-mx2r-j26j.