What is CVE-2025-66359?

CVE-2025-66359 is a high-severity vulnerability in Logpoint Siem, classified under Cross-site Scripting. CVSS score: 8.5/10. Published 2025-11-28.

How severe is CVE-2025-66359?

High severity. CVSS v3 base score is 8.5 out of 10.

XSS in Logpoint Siem

CVE-2025-66359

An issue was discovered in Logpoint before 7.7.0. Insufficient input validation and a lack of output escaping in multiple components leads to a cross-site scripting (XSS) vulnerability.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (8.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Logpoint Siem — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Vendor Advisory)

Frequently asked questions

What is CVE-2025-66359?: CVE-2025-66359 is a high-severity vulnerability in Logpoint Siem, classified under Cross-site Scripting. CVSS score: 8.5/10. Published 2025-11-28.
How severe is CVE-2025-66359?: High severity. CVSS v3 base score is 8.5 out of 10.