A stored cross-site scripting (XSS) vulnerability in the /manager/pages component of Piranha CMS v12.0 allows attackers to execute arbitrary web scripts or HTML via creating a page and injecting a crafted payload into the Markdown blocks.
PiranhaCMS 12.0 allows stored XSS in the Text content block of Standard and Standard Archive Pages via /manager/pages, enabling execution of arbitrary JavaScript in another user s browser.