CVE-2009-0502 Cross-site scripting in n/a
Remote attackers can inject scripts via HTML blocks when the Login as feature is used, potentially compromising user accounts.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2009-0502?
CVE-2009-0502 is a medium-severity cross-site scripting vulnerability in Moodle Moodle, published on 10 Feb 2009. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Cross-site scripting (XSS) vulnerability in blocks/html/block_html.php in Snoopy 1.2.3, as used in Moodle 1.6 before 1.6.9, 1.7 before 1.7.7, 1.8 before 1.8.8, and 1.9 before 1.9.4, allows remote attackers to inject arbitrary web script or HTML via an HTML block, which is not properly handled when the "Login as" feature is used to visit a MyMoodle or Blog page.
Weakness: CWE-79
Which versions are affected by CVE-2009-0502?
It affects 2 products.
Products include Moodle Moodle, Snoopy Snoopy.
How do I fix CVE-2009-0502?
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-2009-0502 being exploited?
There is no known exploitation of CVE-2009-0502 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-r7jh-88fq-f64h.