A vulnerability was found in Intelliants Subrion CMS 4.2.1 (Content Management System). It has been rated as problematic. Affected by this issue is an unknown code block of the file uploads/.htaccess. The manipulation as part of a HTM File leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:

uploads/.htaccess in Subrion CMS 4.2.1 allows XSS because it does not block .html file uploads (but does block, for example, .htm file uploads).

The bug was discovered 08/01/2018. The weakness was presented 08/02/2018 (GitHub Repository). The advisory is available at github.com. This vulnerability is handled as CVE-2018-14840 since 08/01/2018. 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. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

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

The vulnerability is also documented in the vulnerability database at Exploit-DB (45150). See 122496 and 122495 for similar entries.

Productinfo

Type

• Content Management System

Vendor

• Intelliants

Name

• Subrion CMS

Version

• 4.2.1

License

• open-source

CPE 2.3info

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CPE 2.2info

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