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 · last modified .
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
EPSS: 0.003 (16.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
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.