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CVE-2024-58353

HIGH
8.9
CVSS 3.1
Description
Cal.com (repository calcom/cal.diy) in versions <= 4.7.15 is vulnerable to cross-site scripting (XSS) on the publicly accessible single booking view (e.g., /booking/<id>). Booking question (form field) labels are rendered via React's dangerouslySetInnerHTML without proper input sanitization or CSP, so an attacker who can create an event type with a malicious booking question label can inject arbitrary HTML/JavaScript that executes when a victim visits the booking view URL. Self-hosted instances with open registration are particularly at risk. The issue is fixed in version 4.7.16.

Metadata

CVE ID
CVE-2024-58353
State
PUBLISHED
Assigner
VulnCheck
Reserved
2026-06-08 15:20 UTC
Published
2026-07-23 21:16 UTC
Last updated
2026-07-23 21:16 UTC
Primary CWE
CWE-80
Improper Neutralization of Script-Related HTML Tags in a Web…
Vendor / Product
calcom / cal.diy
Sources
cve.org  ·  NVD

Severity & Metrics

8.9 HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
Affected products (1)
VendorProductPlatformVersions
calcom cal.diy — 0 ≤ 4.7.15
Weakness (CWE)
CWESourceDescription
CWE-80 cna Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
CVSS scores (2)
ScoreSeverityVersionSourceVector
9.3 CRITICAL 4.0 cna 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
8.9 HIGH 3.1 cna CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
References (3)
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