CVE-2025-51398

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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.4 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
mitreCNA
---
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CISA-ADPADP
5.4 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 42%
VendorProductVersion
livehelperchatlive_helper_chat
𝑥
≤ 4.61
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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