CVE-2022-41679: Cross-site scripting in Forma LMS version

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-10-31 · updated 2026-06-17
Weakness: CWE-79

Description

Forma LMS version 3.1.0 and earlier are affected by an Cross-Site scripting vulnerability, that could allow a remote attacker to inject javascript code on the “back_url” parameter in appLms/index.php?modname=faq&op=play function. The exploitation of this vulnerability could allow an attacker to steal the user´s cookies in order to log in to the application.

Affected products

Forma LMS: before 3.2.1 — fixed in 3.2.1

How to fix

Upgrade to a fixed version: Forma LMS 3.2.1. Check the vendor advisory for mitigations.

References

https://www.incibe-cert.es/en/early-warning/security-advisories/multiple-vulnerabilities-forma-lms
https://www.incibe-cert.es/en/early-warning/security-advisories/multiple-vulnerabilities-forma-lms

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