What’s Vulnerable › Vulnerabilities

CVE-2021-47907: Rocket LMS 1.1 Persistent Cross-Site Scripting via Support Tickets

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-10 · updated 2026-07-25
• Weakness: CWE-79

Description

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: 1.1

References

• https://lms.rocket-soft.org/
• https://www.exploit-db.com/exploits/50677
• https://www.vulncheck.com/advisories/rocket-lms-persistent-cross-site-scripting-via-support-tickets

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