What is CVE-2025-66561?

CVE-2025-66561 is a high-severity vulnerability in Syslifters Sysreptor, classified under Cross-site Scripting. CVSS score: 7.3/10. Published 2025-12-04.

How severe is CVE-2025-66561?

High severity. CVSS v3 base score is 7.3 out of 10.

XSS in Syslifters Sysreptor

CVE-2025-66561

SysReptor is a fully customizable pentest reporting platform. Prior to 2025.102, there is a Stored Cross-Site Scripting (XSS) vulnerability allows authenticated users to execute malicious JavaScript in the context of other logged-in users…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (7.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N.

Affected products

Syslifters Sysreptor — versions < 2025.102

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

https://github.com/Syslifters/sysreptor/security/advisories/GHSA-64vw-v5c4-mgvm (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2025-66561?: CVE-2025-66561 is a high-severity vulnerability in Syslifters Sysreptor, classified under Cross-site Scripting. CVSS score: 7.3/10. Published 2025-12-04.
How severe is CVE-2025-66561?: High severity. CVSS v3 base score is 7.3 out of 10.