CVE-2021-4132

MEDIUM

Livehelperchat Live Helper Chat < 3.90 - XSS

Title source: rule

livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Core 2

Core References

Exploit, Third Party Advisory x_refsource_confirm

Patch, Third Party Advisory x_refsource_misc

CVSS v3 5.4

EPSS 0.0019

EPSS Percentile 40.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CWE

CWE-79

Status published

Products (2)

livehelperchat/live_helper_chat < 3.90

remdex/livehelperchat 0 - 3.91Packagist

Published Dec 17, 2021

Tracked Since Feb 18, 2026