calcom cal.diy up to 4.7.15 Booking Question Label dangerouslySetInnerHTML booking-question cross site scripting

Summaryinfo

A vulnerability categorized as problematic has been discovered in calcom cal.diy up to 4.7.15. This affects the function dangerouslySetInnerHTML of the component Booking Question Label. The manipulation of the argument booking-question results in cross site scripting. This vulnerability is cataloged as CVE-2024-58355. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic has been found in calcom cal.diy up to 4.7.15. Affected is the function dangerouslySetInnerHTML of the component Booking Question Label. The manipulation of the argument booking-question with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2024-58355 since 06/08/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 4.7.16 eliminates this vulnerability.

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Productinfo

Vendor

• calcom

Name

• cal.diy

Version

• 4.7.0
• 4.7.1
• 4.7.2
• 4.7.3
• 4.7.4
• 4.7.5
• 4.7.6
• 4.7.7
• 4.7.8
• 4.7.9
• 4.7.10
• 4.7.11
• 4.7.12
• 4.7.13
• 4.7.14
• 4.7.15

Website

• Product: https://github.com/calcom/cal.diy/

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