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CVE-2025-51397

MediumPublished

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...

Published: Jul 21, 2025
Updated: Jul 22, 2025
Assigning CNA: mitre
Evidence observed: Jul 22, 2025

Primary CVSS

5.4/ 10Medium

nvd · CVSS 3.1

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

EPSS probability estimate

0.9%

Low · next 30 days

Percentile: 59.1%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

CVE-2025-51397PoC
LiveHelperChat <=4.61 - Stored Cross Site Scripting (XSS) via Operator Surname
LiveHelperChat 4.61 - Stored Cross Site Scripting (XSS) via Operator SurnameExploit
Manojkumar J · php · Jul 22, 2025

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