CVE-2024-58355: critical vulnerability in calcom cal.diy
Cal.com through 4.7.15 Cross-Site Scripting via booking questions
Published · Updated
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28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.3epss 0.4%
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.
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
Affected products
calcom · cal.diyRelated CVEs — calcom cal.diy
In the same product, most dangerous first.
CVE-2025-71389CRITICALCal.com before 5.9.9 Remote Code Execution via RSCEPSS 1.4%CVE-2024-58354HIGHcal.com Repository Takeover via pull_request_target WorkflowEPSS 0.5%CVE-2024-58353CRITICALCal.com through 4.7.15 Cross-Site Scripting via booking questionsEPSS 0.4%CVE-2026-9349MEDIUMcalcom cal.diy Generic React API bookings-single-view.getServerSideProps.tsx getServerSideProps information disclosureEPSS 0.4%CVE-2026-112043MEDIUMcalcom cal.com/cal.diy Webhook util.ts createWebhookProcedure authorizationEPSS 0.4%CVE-2026-63768MEDIUMcal.diy 6.2.0 Conferencing OAuth Callback Open Redirect via Unsigned StateEPSS 0.3%