CVE-2025-51397

low-risk

Published 2025-07-21

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.

Do I need to act?

0.51% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

1 public exploit available

52377

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.4/10 Medium

NETWORK / LOW complexity

Affected Products (1)

Live Helper Chat

Affected Vendors

Livehelperchat

References (3)

Patch https://github.com/LiveHelperChat/livehelperchat/pull/2228/commits/2056503ad96e0...

Exploit https://github.com/Thewhiteevil/CVE-2025-51397

Exploit https://www.dropbox.com/scl/fi/qrbtcv8bir2i8ielguyi3/2025-05-09-13-58-50.mp4?rlk...

/ 100

low-risk

Severity 21/34 · High

Exploitability 2/34 · Minimal

Exposure 5/34 · Minimal