Resource exhaustion in Phpjabbers Event Booking Calendar
CVE-2023-51293
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.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.007 (50.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Phpjabbers Event_booking_calendar — versions 4.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Product)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory)
- cve@mitre.org
Frequently asked questions
- What is CVE-2023-51293?
- CVE-2023-51293 is a high-severity vulnerability in Phpjabbers Event Booking Calendar, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2025-02-19.
- How severe is CVE-2023-51293?
- High severity. CVSS v3 base score is 7.5 out of 10.