Denial of Service Vulnerability in PHPJabbers Event Booking Calendar
CVE-2023-51293

7.5HIGH

Key Information:

Vendor
PHPJabbers
Vendor
CVE Published:
19 February 2025

Summary

The PHPJabbers Event Booking Calendar version 4.0 contains a vulnerability due to a lack of rate limiting in its 'Forgot Password' and 'Email Settings' features. This vulnerability enables attackers to exploit the system by sending an excessive number of emails on behalf of legitimate users, potentially leading to a Denial of Service (DoS) situation. Such activity can overwhelm the server, disrupt the service, and hinder user access, emphasizing the need for effective rate limiting mechanisms to safeguard against abuse.

References

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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