Open Redirect in Intelliants Subrion Cms
CVE-2026-96773
A weakness has been identified in Intelliants Subrion CMS up to 4.2.1. This vulnerability affects the function iaUsers::authorize of the file front/login.php of the component Login Page. This manipulation of the argument $_SERVER['HTTP_REFERER'] causes open redirect. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Open Redirect
Published .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Intelliants Subrion Cms — versions 4.2.0, 4.2.1
Weakness classification (CWE)
References
- github.com/volksec/SubrionCMS-Security-Advisories/issues/2 (issue-tracking, exploit)
- vuldb.com/cve/CVE-2026-96773 (third-party-advisory)
- vuldb.com/submit/904805 (third-party-advisory)
- vuldb.com/vuln/409028 (technical-description, vdb-entry)
- vuldb.com/vuln/409028/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-96773?
- CVE-2026-96773 is a medium-severity vulnerability in Intelliants Subrion Cms, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.3/10. Published 2026-09-24.
- How severe is CVE-2026-96773?
- Medium severity. CVSS v3 base score is 4.3 out of 10.