CVE-2025-51397

MEDIUM

Live Helper Chat < 4.61 - Stored Cross-Site Scripting via Facebook Chat Module Surname Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2025-51397. PoCs published by Manojkumar J, Thewhiteevil.

AI-analyzed exploit summary This exploit demonstrates a stored XSS vulnerability in LiveHelperChat ≤4.61 via the Operator Surname field. The payload is executed when an admin views the Recipients List.

Description

A stored cross-site scripting (XSS) vulnerability in the Facebook Chat module of Live Helper Chat v4.60 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Surname parameter under the Recipient' Lists.

Exploits (2)

exploitdb WORKING POC
by Manojkumar J · textwebappsphp
https://www.exploit-db.com/exploits/52377

This exploit demonstrates a stored XSS vulnerability in LiveHelperChat ≤4.61 via the Operator Surname field. The payload is executed when an admin views the Recipients List.

Classification
Working Poc 100%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: LiveHelperChat ≤4.61
Auth required
Prerequisites: Operator-level access to modify the Surname field
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WRITEUP
by Thewhiteevil · poc
https://github.com/Thewhiteevil/CVE-2025-51397

This repository provides a detailed technical writeup for CVE-2025-51397, a stored XSS vulnerability in LiveHelperChat <=4.61. It includes reproduction steps, a payload example, and references to the patch and vendor advisory.

Classification
Writeup 95%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: LiveHelperChat <=4.61
Auth required
Prerequisites: Operator-level access to LiveHelperChat
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (3)

Core 3

Scores

CVSS v3 5.4
EPSS 0.0082
EPSS Percentile 74.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-779
Status published
Products (1)
livehelperchat/live_helper_chat < 4.61
Published Jul 21, 2025
Tracked Since Feb 18, 2026