CVE-2021-47907: Rocketsoft Rocket Lms

Medium severity, CVSS 6.4. EPSS: 0.2% chance of exploitation in the next 30 days.

Rocket LMS 1.1 contains a persistent cross-site scripting vulnerability in the support ticket module that allows authenticated users to inject malicious script code through the title parameter. Attackers can submit support tickets with embedded HTML/JavaScript payloads that execute in the browsers of other users viewing the message history, enabling session hijacking and phishing attacks.

Affected products

• Rocketsoft Rocket Lms: version 1.1 only

Published 2026-05-10. Last modified 2026-07-25.