CVE-2026-93871 MEDIUM

CVE-2026-93871: Cotonti through 1.0.0 Stored Open Redirect via Page redir: Prefix

Vendor Cotonti
Product Cotonti
Weakness CWE-601 · Open redirect
Published September 18, 2026
Last update September 18, 2026

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

What the vulnerability does

01Description

Cotonti through 1.0.0 fails to validate redirect destinations in page bodies prefixed with redir:, allowing authenticated users with page creation or edit permissions to store redirects to arbitrary external hosts. Attackers can craft pages on trusted domains that redirect visitors to malicious sites for phishing attacks without administrative privileges.

Key dates

02Disclosure timeline

September 18, 2026 CVE published

Related vulnerabilities

04Related CVE