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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (53.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000
Affected products
- Phpjabbers Event Booking Calendar — versions 4.0
Weakness classification (CWE)
References
- www.phpjabbers.com/event-booking-calendar/ (Product)
- packetstormsecurity.com/files/176495/PHPJabbers-Event-Booking-Calendar-4.0-Miss… (Exploit, VDB Entry, Third Party Advisory)
- packetstorm.news/files/id/176495
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.