Stored Cross-Site Scripting Vulnerability in Formcreator Plugin (Versions 2.13.5 and prior) via `##FULLFORM##` Rendering

CVE-2023-33971 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Formcreator is a GLPI plugin which allow creation of custom forms and the creation of one or more tickets when the form is filled. A probable stored cross-site scripting vulnerability is present in Formcreator 2.13.5 and prior via the use of the use of `##FULLFORM##` for rendering. This could result in arbitrary javascript code execution in an admin/tech context. A patch is unavailable as of time of publication. As a workaround, one may use a regular expression to remove `< > "` in all fields.

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