TastyIgniter 4.3.0 File Upload cross site scripting

Summaryinfo

A vulnerability, which was classified as problematic, has been found in TastyIgniter 4.3.0. Affected by this vulnerability is an unknown functionality of the component File Upload. The manipulation leads to cross site scripting. This vulnerability is referenced as CVE-2026-14856. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in TastyIgniter 4.3.0 and classified as problematic. This issue affects an unknown functionality of the component File Upload. The manipulation with an unknown input 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. The summary by CVE is:

A stored Cross-Site Scripting (XSS) vulnerability in the file upload functionality of the Media Manager in TastyIgniter v4.3.0, caused by insufficient validation and sanitization of SVG files. An authenticated user with low privileges can upload a malicious SVG file containing JavaScript code. When an administrator views that file, the code executes in the context of their browser. By chaining this vulnerability with a Cross-Site Request Forgery (CSRF) attack, an attacker can extract the administrator’s CSRF token and perform unauthorized actions—such as modifying credentials—thereby gaining full control of the administrative account.

The advisory is shared at incibe.es. The identification of this vulnerability is CVE-2026-14856 since 07/06/2026. The exploitation is known to be easy. The attack may be initiated remotely. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

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

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Productinfo

Name

• TastyIgniter

Version

• 4.3.0

CPE 2.3info

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CPE 2.2info

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