CVE-2025-66561

Name: CVE-2025-66561
Creator: NVD / NIST
Published: 2025-12-04T23:15:47.107+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.16%

Last modified Jun 17, 2026

CVE-2025-66561 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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 by uploading malicious JavaScript files in the web UI. EPSS estimates a 0.16% chance of exploitation in the next 30 days.

Description

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 by uploading malicious JavaScript files in the web UI. This vulnerability is fixed in 2025.102.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.16%

5.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Syslifters	Sysreptor	< 2025.102

References

https://github.com/Syslifters/sysreptor/security/advisories/GHSA-64vw-v5c4-mgvmVendor Advisory

Timeline

Published: Dec 4, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-66561?

How severe is CVE-2025-66561?

CVE-2025-66561 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.16% probability of exploitation in the next 30 days.

How do I fix CVE-2025-66561?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-66561?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST