CVE-2025-51403 — MEDIUM (6.5)

Q: How severe is CVE-2025-51403?

CVE-2025-51403 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-51403?

Check the references section above for vendor advisories and patch information. Affected products include: Livehelperchat Live Helper Chat.

Vulnerability Description

A stored cross-site scripting (XSS) vulnerability in the department assignment editing module of of Live Helper Chat v4.60 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Alias Nick parameter.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Livehelperchat	Live Helper Chat	<= 4.61

Related Weaknesses (CWE)

CWE-79

References

https://github.com/LiveHelperChat/livehelperchat/pull/2228/commits/2056503ad96e0Patch
https://github.com/Thewhiteevil/CVE-2025-51403ExploitThird Party Advisory
https://www.dropbox.com/scl/fi/w7mur1fo4jb3harpx6om9/2025-05-08-21-38-14.mp4?rlkExploit

FAQ

What is CVE-2025-51403?

CVE-2025-51403 is a vulnerability with a CVSS score of 6.5 (MEDIUM). A stored cross-site scripting (XSS) vulnerability in the department assignment editing module of of Live Helper Chat v4.60 allows attackers to execute arbitrary web scripts or HTML via injecting a cra...

How severe is CVE-2025-51403?

CVE-2025-51403 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-51403?

Check the references section above for vendor advisories and patch information. Affected products include: Livehelperchat Live Helper Chat.