verbb formie up to 2.1.5 Twig special elements used in a template engine

Summaryinfo

A vulnerability was found in verbb formie up to 2.1.5. It has been rated as problematic. Affected by this issue is some unknown functionality of the component Twig Handler. This manipulation causes improper neutralization of special elements used in a template engine. This vulnerability is handled as CVE-2024-35191. It is possible to launch the attack on the local host. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic was found in verbb formie up to 2.1.5. Affected by this vulnerability is an unknown function of the component Twig Handler. The manipulation with an unknown input leads to a improper neutralization of special elements used in a template engine vulnerability. The CWE definition for the vulnerability is CWE-1336. The product uses a template engine to insert or process externally-influenced input, but it does not neutralize or incorrectly neutralizes special elements or syntax that can be interpreted as template expressions or other code directives when processed by the engine. As an impact it is known to affect integrity. The summary by CVE is:

Formie is a Craft CMS plugin for creating forms. Prior to 2.1.6, users with access to a form's settings can include malicious Twig code into fields that support Twig. These might be the Submission Title or the Success Message. This code will then be executed upon creating a submission, or rendering the text. This has been fixed in Formie 2.1.6.

The advisory is shared at github.com. This vulnerability is known as CVE-2024-35191 since 05/10/2024. The exploitation appears to be easy. An attack has to be approached locally. The exploitation needs additional levels of successful authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1221 for this issue.

Upgrading to version 2.1.6 eliminates this vulnerability. Applying the patch 90296edf7e707f117e760aa57e70dbd43a854420 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.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• verbb

Name

• formie

Version

• 2.1.0
• 2.1.1
• 2.1.2
• 2.1.3
• 2.1.4
• 2.1.5

License

• open-source

Website

• Product: https://github.com/verbb/formie/

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CPE 2.2info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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