CVE-2016-9188 Moodle XSS Vulnerability
Remote attackers can inject arbitrary web script or HTML into Moodle CMS via specific parameters, potentially leading to session hijacking or malicious actions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2016-9188?
CVE-2016-9188 is a medium-severity cross-site scripting vulnerability in Moodle Moodle, published on 4 Nov 2016. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Cross-site scripting (XSS) vulnerabilities in Moodle CMS on or before 3.1.2 allow remote attackers to inject arbitrary web script or HTML via the s_additionalhtmlhead, s_additionalhtmltopofbody, and s_additionalhtmlfooter parameters.
Weakness: CWE-79
Which versions are affected by CVE-2016-9188?
2 open source packages ship an affected version, including moodle/moodle. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
moodle/moodle Packagist | From 2.0.1 to 3.2.1 | None |
moodle/moodle Packagist | From 2.0.1 to 3.2.1 | None |
Products include Moodle Moodle.
How do I fix CVE-2016-9188?
No fix has been published for CVE-2016-9188 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-2016-9188 being exploited?
There is no known exploitation of CVE-2016-9188 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-7ghm-fp7p-qvjq, UBUNTU-CVE-2016-9188.