CVE-2025-51403

MEDIUM

Live Helper Chat <4.60 - XSS

Title source: llm

Description

A stored cross-site scripting (XSS) vulnerability in the department assignment editing module of of Live Helper Chat v4.60 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Alias Nick parameter.

Exploits (2)

exploitdb WORKING POC

by Manojkumar J · textwebappsphp

https://www.exploit-db.com/exploits/52381

View Code ZIP pw:eip

nomisec WRITEUP

by Thewhiteevil · poc

https://github.com/Thewhiteevil/CVE-2025-51403

View Code ZIP pw:eip

References (3)

[Patch] https://github.com/LiveHelperChat/livehelperchat/pull/2228/commits/2056503ad96e04467ec9af8d827109b9b9b46223

[Exploit, Third Party Advisory] https://github.com/Thewhiteevil/CVE-2025-51403

[Exploit] https://www.dropbox.com/scl/fi/w7mur1fo4jb3harpx6om9/2025-05-08-21-38-14.mp4?rlkey=cpf5omg95tikzwno2u99thf3v&st=2xgfedgo&dl=0

Scores

CVSS v3 6.5

EPSS 0.0040

EPSS Percentile 60.6%

Attack Vector NETWORK

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

Details

CWE

CWE-79

Status published

Products (1)

livehelperchat/live_helper_chat < 4.61

Published Jul 21, 2025

Tracked Since Feb 18, 2026