diem-project diem up to 116974edfb9a5b8bd69cb13586dc62bcdbb485ad Sign-In BasedmUserActions.class.php Referer redirect

Summaryinfo

A vulnerability categorized as problematic has been discovered in diem-project diem up to 116974edfb9a5b8bd69cb13586dc62bcdbb485ad. This vulnerability affects unknown code of the file dmCorePlugin/plugins/dmUserPlugin/modules/dmUser/lib/BasedmUserActions.class.php of the component Sign-In. Such manipulation of the argument Referer leads to redirect. This vulnerability is listed as CVE-2026-112040. The attack may be performed from remote. In addition, an exploit is available. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in diem-project diem up to 116974edfb9a5b8bd69cb13586dc62bcdbb485ad. Affected by this issue is an unknown functionality of the file dmCorePlugin/plugins/dmUserPlugin/modules/dmUser/lib/BasedmUserActions.class.php of the component Sign-In. The manipulation of the argument 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-2026-112040. 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 project was informed of the problem early through an issue report but has not responded yet. By approaching the search of inurl:dmCorePlugin/plugins/dmUserPlugin/modules/dmUser/lib/BasedmUserActions.class.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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Project Management Software

Vendor

• diem-project

Name

• diem

Version

• 116974edfb9a5b8bd69cb13586dc62bcdbb485ad

Website

• Product: https://github.com/diem-project/diem/

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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Submitinfo

Accepted

• Submit #1008083: diem-project diem 116974edfb9a5b8bd69cb13586dc62bcdbb485ad Open Redirect (by cnluminous)

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