CVE-2021-47907CWE-79

Rocket LMS 1.1 Persistent Cross-Site Scripting via Support Tickets

Medium · published May 10, 2026

CVSS v4.0
5.1
EPSS
0%
Percentile
13.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
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
EPSS
0.00235 · 13.6th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-05-10T12:43Z
EPSS history
Timeline
  • 10 MAY 12:43Z
    Rocket LMS 1.1 Persistent Cross-Site Scripting via Support Tickets
    cvelistv5