CVE-2021-37391 Cross-site scripting in n/a
An attacker can inject malicious scripts via the social invitation feature to steal cookies or execute code on the administrator's side.
- 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-2021-37391?
CVE-2021-37391 is a medium-severity cross-site scripting vulnerability in Chamilo Chamilo Lms, published on 10 Aug 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A user without privileges in Chamilo LMS 1.11.14 can send an invitation message to another user, e.g., the administrator, through main/social/search.php, main/inc/lib/social.lib.php and steal cookies or execute arbitrary code on the administration side via a stored XSS vulnerability via social network the send invitation feature.
Weakness: CWE-79
Which versions are affected by CVE-2021-37391?
It affects 1 product.
Products include Chamilo Chamilo Lms.
How do I fix CVE-2021-37391?
No fix has been published for CVE-2021-37391 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-2021-37391 being exploited?
There is no known exploitation of CVE-2021-37391 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Chamilo Chamilo Lms
Sources
Also known as GHSA-892v-2jhr-535f.