CVE-2018-20327 Cross-site scripting in n/a

Medium 5.4 Published 21 Dec 2018 Updated 5 Aug 2024

Authenticated users can inject scripts into the gradebook tool, affecting other users under specific admin permission settings.

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-2018-20327?

CVE-2018-20327 is a medium-severity cross-site scripting vulnerability in Chamilo Chamilo Lms, published on 21 Dec 2018. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Chamilo LMS version 1.11.8 contains XSS in main/template/default/admin/gradebook_list.tpl in the gradebook dependencies tool, allowing authenticated users to affect other users, under specific conditions of permissions granted by administrators. This is considered "low risk" due to the nature of the feature it exploits.

Weakness: CWE-79

Which versions are affected by CVE-2018-20327?

It affects 1 product.

Products include Chamilo Chamilo Lms.

How do I fix CVE-2018-20327?

No fix has been published for CVE-2018-20327 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-2018-20327 being exploited?

There is no known exploitation of CVE-2018-20327 in the wild and no public exploit code.

All Chamilo Chamilo Lms vulnerabilities

Sources

Also known as GHSA-3vvm-c22w-36hj.