ueberdosis tiptap-php up to 2.1.0 Database Entry Link::isAllowedUri attrs.href unexpected data type

Summaryinfo

A vulnerability was found in ueberdosis tiptap-php up to 2.1.0 and classified as problematic. Affected by this vulnerability is the function Link::isAllowedUri of the component Database Entry Handler. Such manipulation of the argument attrs.href leads to improper handling of unexpected data type. This vulnerability is listed as CVE-2026-47110. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in ueberdosis tiptap-php up to 2.1.0. Affected by this issue is the function Link::isAllowedUri of the component Database Entry Handler. The manipulation of the argument attrs.href with an unknown input leads to a improper handling of unexpected data type vulnerability. Using CWE to declare the problem leads to CWE-241. The product does not handle or incorrectly handles when a particular element is not the expected type, e.g. it expects a digit (0-9) but is provided with a letter (A-Z). Impacted is availability. CVE summarizes:

Tiptap for PHP before version 2.1.1 contains an input validation vulnerability that allows authenticated attackers to cause a denial of service by submitting Tiptap JSON with the attrs.href field set to an array instead of a string, causing an unhandled TypeError in the Link::isAllowedUri() function when passed to preg_match(). Attackers can persist malformed JSON records that permanently crash the server-side HTML rendering pipeline for all subsequent viewers of that record until the database entry is manually repaired.

The weakness was presented by Basant Kumar. The advisory is available at github.com. This vulnerability is handled as CVE-2026-47110 since 05/18/2026. The exploitation is known to be easy. The attack may be launched remotely. Technical details are known, but there is no available exploit.

Upgrading to version 2.1.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 74bfb7be1c8c6102b240f3879b7f984a6ab87b97 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Programming Language Software

Vendor

• ueberdosis

Name

• tiptap-php

Version

• 2.0
• 2.1.0

License

• open-source

Website

• Product: https://github.com/ueberdosis/tiptap-php/

CPE 2.3info

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• 🔒

CPE 2.2info

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