Piranha CMS vulnerabilities

Piranha CMS through 12.2 contains a missing authorization vulnerability in the Piranha.Manager LanguageApiController that allows any authenticated manager user to list, create, edit and delete site languages without the granular Language, LanguageAdd, LanguageEdit or LanguageDelete permissions. Attackers can call the manager/api/language Get, Save and Delete actions directly to remove languages and reassign sites to the default, affecting localized content instance-wide.

A stored cross-site scripting (XSS) vulnerability in the Media module of Piranha CMS v12.1 allows attackers to inject malicious JavaScript or HTML into the Name field, leading to script execution in victims' browsers.

A stored cross-site scripting (XSS) vulnerability exists in the Page Settings module of Piranha CMS v12.1. Attackers can inject malicious JavaScript or HTML into the Excerpt field, leading to script execution in victims' browsers.