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    4 vulnerabilities by Cal.com

    CVE-2026-16624 (GCVE-0-2026-16624)

    Vulnerability from nvd – Published: 2026-07-22 18:31 – Updated: 2026-07-22 18:31
    VLAI
    Title
    CVE-2026-16624
    Summary
    Cal.com OSS ships lacks authorization on webhook teamId creation, allowing any authenticated user to create a webhook on any team via unvalidated teamId injection, then steal booking data, including fields like organizer/attendee emails and custom responses, and conditionally video-call passwords, by triggering webhook delivery.
    Severity
    No CVSS data available.
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    Cal.com Cal.diy Affected: 0 , < 6.2.0 (custom)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

    {
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        {
          "product": "Cal.diy",
          "vendor": "Cal.com",
          "versions": [
            {
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              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Cal.com OSS ships lacks authorization on webhook teamId creation, allowing any authenticated user to create a webhook on any team via unvalidated teamId injection, then steal booking data, including fields like organizer/attendee emails and custom responses, and conditionally video-call passwords, by triggering webhook delivery."
        }
      ],
      "problemTypes": [
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          "descriptions": [
            {
              "description": "CWE-639 Authorization Bypass Through User-Controlled Key",
              "lang": "en"
            }
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-22T18:31:30.694Z",
        "orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "shortName": "certcc"
      },
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        {
          "url": "https://github.com/calcom/cal.diy/security/advisories/GHSA-4fwh-xxpv-xfm6"
        },
        {
          "url": "https://vokecyber.com/research/calcom-cross-tenant-webhook-plant"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "CVE-2026-16624",
      "x_generator": {
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    "dateReserved": "2026-07-22T15:02:38.700Z",
    "dateUpdated": "2026-07-22T18:31:30.694Z",
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}

    CVE-2025-31604 (GCVE-0-2025-31604)

    Vulnerability from nvd – Published: 2025-03-31 12:55 – Updated: 2026-04-28 16:12
    VLAI
    Title
    WordPress Cal.com plugin <= 1.0.0 - Cross Site Scripting (XSS) vulnerability
    Summary
    Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Cal.com Cal.com cal-com allows Stored XSS.This issue affects Cal.com: from n/a through <= 1.0.0.
    Severity
    6.5 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
    Assigner
    References
    Impacted products
    Vendor Product Version
    Cal.com Cal.com Affected: 0 , ≤ 1.0.0 (custom)
    		Create a notification for this product.
    Date Public
    2026-04-01 16:37
    Credits
    Peter Thaleikis | Patchstack Bug Bounty Program
    Show details on NVD website
    To clipboard 

    {
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    CVE-2026-16624 (GCVE-0-2026-16624)

    Vulnerability from cvelistv5 – Published: 2026-07-22 18:31 – Updated: 2026-07-22 18:31
    VLAI
    Title
    CVE-2026-16624
    Summary
    Cal.com OSS ships lacks authorization on webhook teamId creation, allowing any authenticated user to create a webhook on any team via unvalidated teamId injection, then steal booking data, including fields like organizer/attendee emails and custom responses, and conditionally video-call passwords, by triggering webhook delivery.
    Severity
    No CVSS data available.
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    Cal.com Cal.diy Affected: 0 , < 6.2.0 (custom)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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        {
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      ],
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        }
      ],
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          "descriptions": [
            {
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              "lang": "en"
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      },
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        },
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          "url": "https://vokecyber.com/research/calcom-cross-tenant-webhook-plant"
        }
      ],
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        "discovery": "UNKNOWN"
      },
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    CVE-2025-31604 (GCVE-0-2025-31604)

    Vulnerability from cvelistv5 – Published: 2025-03-31 12:55 – Updated: 2026-04-28 16:12
    VLAI
    Title
    WordPress Cal.com plugin <= 1.0.0 - Cross Site Scripting (XSS) vulnerability
    Summary
    Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Cal.com Cal.com cal-com allows Stored XSS.This issue affects Cal.com: from n/a through <= 1.0.0.
    Severity
    6.5 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
    Assigner
    References
    Impacted products
    Vendor Product Version
    Cal.com Cal.com Affected: 0 , ≤ 1.0.0 (custom)
    		Create a notification for this product.
    Date Public
    2026-04-01 16:37
    Credits
    Peter Thaleikis | Patchstack Bug Bounty Program
    Show details on NVD website
    To clipboard 

    {
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