CVE-2024-58355
9.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L
Summary
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/<id>) 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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| calcom | cal.diy | 0 <= 4.7.15 | affected |
Weaknesses
- CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
References
- https://github.com/calcom/cal.diy/security/advisories/GHSA-vgj7-76cw-h6f8
- https://github.com/calcom/cal.diy/commit/00689fda0a30b8f933c096f02c1fe092a4206def
- https://www.vulncheck.com/advisories/cal-com-through-cross-site-scripting-via-booking-questions-2
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