CVE-2021-47907
MEDIUM EPSS 14.3%
Published May 10, 20261mo ago · Modified Jun 17, 20262w ago
5.1 CVSS 4.0
Published May 10, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction P
Scope X
Threat Intelligence
EPSS Exploit Probability
14.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-79 Cross-site Scripting Injection
References 3
- lms.rocket-soft.org https://lms.rocket-soft.org/
- exploit-db.com https://www.exploit-db.com/exploits/50677
- vulncheck.com https://www.vulncheck.com/advisories/rocket-lms-persistent-cross-site-scripting-via-support-tickets
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.