Intelliants Subrion CMS up to 4.2.1 Login Page front/login.php iaUsers::authorize $_SERVER['HTTP_REFERER'] redirect

Summaryinfo

A vulnerability was found in Intelliants Subrion CMS up to 4.2.1 and classified as problematic. This issue affects the function iaUsers::authorize of the file front/login.php of the component Login Page. Such manipulation of the argument $_SERVER['HTTP_REFERER'] leads to redirect. This vulnerability is listed as CVE-2026-96773. The attack may be performed from remote. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in Intelliants Subrion CMS up to 4.2.1 and classified as problematic. Affected by this issue is the function iaUsers::authorize of the file front/login.php of the component Login Page. The manipulation of the argument $_SERVER['HTTP_REFERER'] with an unknown input leads to a redirect vulnerability. Using CWE to declare the problem leads to CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. Impacted is integrity.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-96773. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1204.001.

The exploit is available at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. By approaching the search of inurl:front/login.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• Intelliants

Name

• Subrion CMS

Version

• 4.2.0
• 4.2.1

License

• open-source

CPE 2.3info

• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒

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Threat Intelligenceinfo

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Entryinfo

Submitinfo

Accepted

• Submit #904805: Intelliants Subrion CMS 4.2.1 Open Redirect (by volksec)

Once again VulDB remains the best source for vulnerability data.

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