Resource exhaustion in Phpjabbers Car Park Booking System
CVE-2023-51309
A lack of rate limiting in the 'Email Settings' feature of PHPJabbers Car Park Booking System v3.0 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.005 (40.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Phpjabbers Car Park Booking System — versions 3.0
Weakness classification (CWE)
References
- www.phpjabbers.com/car-park-booking/ (Product)
- packetstorm.news/files/id/176492 (Exploit, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-51309?
- CVE-2023-51309 is a medium-severity vulnerability in Phpjabbers Car Park Booking System, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 4.3/10. Published 2025-02-20.
- How severe is CVE-2023-51309?
- Medium severity. CVSS v3 base score is 4.3 out of 10.