What is CVE-2025-30977?

CVE-2025-30977 is a medium-severity vulnerability in Chaport Live Chat, classified under Cross-site Scripting. CVSS score: 5.9/10. Published 2025-06-06.

How severe is CVE-2025-30977?

Medium severity. CVSS v3 base score is 5.9 out of 10.

XSS in Chaport Live Chat

CVE-2025-30977

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Chaport Live Chat Chaport chaport allows Stored XSS.This issue affects Chaport: from n/a through <= 1.1.6.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (13.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L.

Affected products

Chaport Live Chat — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2025-30977?: CVE-2025-30977 is a medium-severity vulnerability in Chaport Live Chat, classified under Cross-site Scripting. CVSS score: 5.9/10. Published 2025-06-06.
How severe is CVE-2025-30977?: Medium severity. CVSS v3 base score is 5.9 out of 10.