CVE-2026-84695

BookStack before 26.05.4 contains a stored cross-site scripting vulnerability in the drawing upload endpoint that accepts unvalidated base64 content and stores it without content inspection. Attackers with editor permissions can upload SVG files containing scripts that execute in administrator...

CVE-2026-84695

BookStack versions before 26.05.4 are affected by a stored cross-site scripting (XSS) vulnerability in the drawing upload endpoint , which accepts unvalidated base64 content and stores it without content inspection. Attackers holding editor permissions can upload SVG files containing scripts that...

CVE-2026-84695 BookStack before 26.05.4 Stored XSS via Drawing Upload

BookStack before 26.05.4 contains a stored cross-site scripting vulnerability in the drawing upload endpoint that accepts unvalidated base64 content and stores it without content inspection. Attackers with editor permissions can upload SVG files containing scripts that execute in administrator...

EUVD-2026-69786

BookStack before 26.05.4 contains a stored cross-site scripting vulnerability in the drawing upload endpoint that accepts unvalidated base64 content and stores it without content inspection. Attackers with editor permissions can upload SVG files containing scripts that execute in administrator...