CVE-2020-36960 Forma LMS 2.3 - 'First & Last Name' Stored Cross-Site Scripting

Medium 5.1 Published Updated

Attackers can inject malicious scripts into user profile fields, leading to arbitrary JavaScript execution and potential account takeover when viewed by others.

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-2020-36960?

CVE-2020-36960 is a medium-severity cross-site scripting vulnerability in Formalms Forma LMS, published on 26 Jan 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Forma LMS 2.3 contains a stored cross-site scripting vulnerability that allows attackers to inject malicious scripts into user profile first and last name fields. Attackers can craft scripts like '<script>alert(document.cookie)</script>' to execute arbitrary JavaScript when the profile is viewed by other users.

Weakness: CWE-79

Which versions are affected by CVE-2020-36960?

How do I fix CVE-2020-36960?

No fix has been published for CVE-2020-36960 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-2020-36960 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-36960 exists.

Sources

Also known as GHSA-h998-w3jj-3fwp.

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