CVE-2025-51401

MEDIUM

live_helper_chat < 4.61 - Stored Cross-Site Scripting via Operator Name Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2025-51401. PoCs published by Manojkumar J, Thewhiteevil.

AI-analyzed exploit summary This exploit demonstrates a stored XSS vulnerability in Live Helper Chat ≤4.61 via the Operator Chat Name Field during chat transfer. The payload executes when a chat is transferred to another operator.

Description

A stored cross-site scripting (XSS) vulnerability in the chat transfer function of Live Helper Chat v4.60 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the operator name parameter.

Exploits (2)

exploitdb WORKING POC
by Manojkumar J · textwebappsphp
https://www.exploit-db.com/exploits/52380

This exploit demonstrates a stored XSS vulnerability in Live Helper Chat ≤4.61 via the Operator Chat Name Field during chat transfer. The payload executes when a chat is transferred to another operator.

Classification
Working Poc 100%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Live Helper Chat ≤4.61
Auth required
Prerequisites: Operator credentials · Access to operator settings · Chat transfer functionality
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WRITEUP
by Thewhiteevil · poc
https://github.com/Thewhiteevil/CVE-2025-51401

This repository provides a detailed technical writeup for CVE-2025-51401, 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 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: LiveHelperChat <=4.61
Auth required
Prerequisites: Operator account access · Ability to modify operator name field
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (3)

Core 3

Scores

CVSS v3 5.4
EPSS 0.0057
EPSS Percentile 69.1%
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-79
Status published
Products (1)
livehelperchat/live_helper_chat < 4.61
Published Jul 21, 2025
Tracked Since Feb 18, 2026