What’s Vulnerable › Vulnerabilities

CVE-2023-51309

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-02-20 · updated 2026-06-17
• Weakness: CWE-770

Description

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.

Affected products

• PHP Jabbers Car Park Booking System: 3.0

References

• https://packetstorm.news/files/id/176492
• https://www.phpjabbers.com/car-park-booking/#sectionDemo
• http://packetstormsecurity.com/files/176492/PHPJabbers-Car-Park-Booking-System-3.0-Missing-Rate-Limiting.html
• https://packetstorm.news/files/id/176492

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