CVE-2026-100521

MEDIUM CVSS 4.0: 5.1 EPSS 0.20%
Updated Sep 26, 2026
Cotonti
Parameter Value
CVSS 5.1 (MEDIUM)
Type CWE-79 (Cross-Site Scripting (XSS))
Vendor Cotonti
Public PoC No

Cotonti through 1.0.0 contains a reflected cross-site scripting vulnerability in the search plugin highlight parameter that performs no HTML or JavaScript escaping. Attackers can craft malicious links with injected JavaScript in the highlight parameter that executes in the browser of any visitor who opens the link, including administrators.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
Active
User action required

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0