GHSA-884j-pvgh-233qCriticalCVSS 8.9

Cal.com (calcom/cal.diy) versions through 4.7.15 contain a stored cross-site scripting...

Published
July 24, 2026
Last Modified
July 24, 2026

🔗 CVE IDs covered (1)

📋 Description

Cal.com (calcom/cal.diy) versions through 4.7.15 contain a stored cross-site scripting vulnerability. The single booking view (e.g., https://app.cal.com/booking/) renders booking-question field labels via React's dangerouslySetInnerHTML without sanitizing or escaping user input. An attacker who can create an event type with a malicious booking-question label can inject arbitrary HTML/JavaScript that executes when a victim opens the crafted booking URL. The issue is fixed in v4.7.16.

🔗 References (5)