CVE-2025-51401

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 chat transfer function of Live Helper Chat v4.60 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the operator name parameter.

Affected products

livehelperchat/livehelperchat: through 4.61

References

https://github.com/LiveHelperChat/livehelperchat/pull/2228/commits/2056503ad96e04467ec9af8d827109b9b9b46223
https://github.com/Thewhiteevil/CVE-2025-51401
https://www.dropbox.com/scl/fi/efzjql0brniphfh5sgrzn/2025-05-09-14-26-26.mp4?rlkey=z4zpec6wsja5xo0ovq0g5g1tt&st=abbp3gtr&dl=0

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