XSS in Livehelperchat Live_helper_chat
CVE-2025-51403
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 parame…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.015 (71.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Livehelperchat Live_helper_chat
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch)
- cve@mitre.org (Exploit)
- cve@mitre.org (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-51403?
- CVE-2025-51403 is a medium-severity vulnerability in Livehelperchat Live_helper_chat, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2025-07-21.
- How severe is CVE-2025-51403?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2025-51403 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.