CVE-2026-93871
MEDIUMCVSS 5.4Description
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.
Timeline
Published:September 18th, 2026 8:17 PM
Last modified:September 22nd, 2026 8:53 PM
CVSS Scoring
CVSS v3: 5.4 (MEDIUM)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weaknesses (CWE)
References & Reports
Advisories, patches, and third-party reports
- https://github.com/Cotonti/Cotonti
- https://github.com/Cotonti/Cotonti/blob/1.0.0/modules/page/inc/page.main.php
- https://github.com/Cotonti/Cotonti/issues/1893
- https://github.com/Cotonti/Cotonti/pull/1901
- https://www.vulncheck.com/advisories/cotonti-through-1.0.0-stored-open-redirect-via-page-redir-prefix
Source: NIST NVD · Data may lag official sources by up to one minute