cve-2023-51293
Vulnerability from cvelistv5
Published
2025-02-19 00:00
Modified
2025-05-08 15:33
Summary
A lack of rate limiting in the 'Forgot Password', 'Email Settings' feature of PHPJabbers Event Booking Calendar v4.0 allows attackers to send an excessive amount of email for a legitimate user, leading to a possible Denial of Service (DoS) via a large amount of generated e-mail messages.
Impacted products
n/an/a
Show details on NVD website


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              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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                "id": "CVE-2023-51293",
                "options": [
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                    "Exploitation": "none"
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                  {
                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2025-02-20T15:12:33.532029Z",
                "version": "2.0.3"
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                "description": "CWE-400 Uncontrolled Resource Consumption",
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                "type": "CWE"
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        "providerMetadata": {
          "dateUpdated": "2025-02-20T15:13:19.270Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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          "value": "A lack of rate limiting in the \u0027Forgot Password\u0027, \u0027Email Settings\u0027 feature of PHPJabbers Event Booking Calendar v4.0 allows attackers to send an excessive amount of email for a legitimate user, leading to a possible Denial of Service (DoS) via a large amount of generated e-mail messages."
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        "shortName": "mitre"
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      "references": [
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          "url": "https://www.phpjabbers.com/event-booking-calendar/#sectionDemo"
        },
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          "url": "http://packetstormsecurity.com/files/176495/PHPJabbers-Event-Booking-Calendar-4.0-Missing-Rate-Limiting.html"
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          "url": "https://packetstorm.news/files/id/176495"
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    "cveId": "CVE-2023-51293",
    "datePublished": "2025-02-19T00:00:00.000Z",
    "dateReserved": "2023-12-18T00:00:00.000Z",
    "dateUpdated": "2025-05-08T15:33:42.276Z",
    "state": "PUBLISHED"
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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.