CVE-2025-51398

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-07-21 · updated 2026-06-17
Weakness: CWE-79

Description

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

Affected products

livehelperchat/livehelperchat: through 4.61

References

https://github.com/LiveHelperChat/livehelperchat/pull/2228/commits/2056503ad96e04467ec9af8d827109b9b9b46223
https://github.com/Thewhiteevil/CVE-2025-51398
https://www.dropbox.com/scl/fi/ldtrdf1681gekt9922d4y/2025-05-09-03-09-00.mp4?rlkey=pq1enfkys429h2g3ut3hs4fqj&st=zxc9vuq0&dl=0

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