CVE-2025-51400

MEDIUM 5.4CVE-2025-51400 · Published 21/07/2025 · updated 17/06/2026

In short

CVE-2025-51400 is a MEDIUM (CVSS 5.4) vulnerability affecting live helper chat (livehelperchat).
Chance of exploitation in the next 30 days (EPSS): 0.97%, higher than 61.9% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
live helper chat livehelperchat	`≤ 4.61`	No fix yet

Description

A stored cross-site scripting (XSS) vulnerability in the Personal Canned Messages of Live Helper Chat v4.60 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload.

References

LiveHelperChat/livehelperchat#2228 · Patch
Thewhiteevil/CVE-2025-51400 · Exploit
dropbox.com/scl/fi/4ojb61ilgmu4xmtqnfqed/2025-05-08-20-41-52.mp4 · Exploit

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Package

Affected versions

Patched versions

live helper chat

livehelperchat

≤ 4.61

No fix yet

More vulnerabilities in live helper chat

See all →