CVE-2021-24504 WP LMS <= 1.1.2 - Stored Cross-Site Scripting (XSS)

Medium 6.1 Published Updated

Attackers can inject malicious scripts via User Field Titles in WP LMS, potentially executing code or bypassing security controls due to missing sanitization and authorization checks.

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-2021-24504?

CVE-2021-24504 is a medium-severity cross-site scripting vulnerability in Unknown WP LMS – Best WordPress LMS Plugin, published on 2 Aug 2021. 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

The WP LMS – Best WordPress LMS Plugin WordPress plugin through 1.1.2 does not properly sanitise or validate its User Field Titles, allowing XSS payload to be used in them. Furthermore, no CSRF and capability checks were in place, allowing such attack to be performed either via CSRF or as any user (including unauthenticated)

Weakness: CWE-79, CWE-352

Which versions are affected by CVE-2021-24504?

It affects 1 product.

Products include Wplearnmanager Wp Learn Manager.

How do I fix CVE-2021-24504?

No fix has been published for CVE-2021-24504 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-2021-24504 being exploited?

There is no known exploitation of CVE-2021-24504 in the wild and no public exploit code.

Sources

Also known as GHSA-pqq6-8mr8-33fw.

Is CVE-2021-24504 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free