CVE-2025-51397: live helper chat — Exploit & Fix

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.

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CVSS v3.1 Score

5.4

MEDIUM

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

Weakness Type (CWE)

CWE-779 CWE-779

Affected Products

Vendor	Product	Versions
livehelperchat	live_helper_chat	< 4.61

References

Advisories & Patches

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

Exploits

https://github.com/Thewhiteevil/CVE-2025-51397 https://www.dropbox.com/scl/fi/qrbtcv8bir2i8ielguyi3/2025-05-09-13-58-50.mp4?rlkey=thcbqxuzpm37o73j0ywsu3h3u&st=fhird68s&dl=0

Frequently Asked Questions

What is CVE-2025-51397? +

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. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2025-51397? +

CVE-2025-51397 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-51397? +

CVE-2025-51397 affects products from livehelperchat, specifically: live_helper_chat. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-51397? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-51397