Medium severity · published Dec 4, 2025
CVE-2025-66561
SysReptor Vulnerable to an Authenticated Stored Cross-Site Scripting (XSS)
5.4
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SY
sysreptor · Syslifters
< 2025.102 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-66561
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-66561
Vendor Advisory
https://github.com/Syslifters/sysreptor/security/advisories/GHSA-64vw-v5c4-mgvm
More from sysreptor
8.8
CVE-2026-81180
SysReptor: Authenticated RCE by insecure image processing
8.8
CVE-2024-36076
Cross-Site WebSocket Hijacking in SysReptor from version 2024.28 to version 2024.30 causes attackers to escalate privileges and obtain sensitive information when a logged-in…
8.1
CVE-2026-81179
SysReptor: Host header injection might allow account takeover
8.1
CVE-2025-59945
SysReptor Susceptible to Privilege Escalation by Authenticated Users
6.8
CVE-2026-42291
SysReptor: Read-write access to personal notes by sharing-link creation with no authorization in SysReptor Professional