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)…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.007 (47.7th 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

Weakness classification (CWE)

References

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.