What’s Vulnerable › Vulnerabilities

CVE-2023-51301

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-02-19 · updated 2026-06-17
• Weakness: CWE-400

Description

A lack of rate limiting in the "Login Section, Forgot Email" feature of PHPJabbers Hotel Booking System v4.0 allows attackers to send an excessive amount of reset requests 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 Hotel Booking System: 4.0

References

• https://packetstorm.news/files/id/176486
• https://www.phpjabbers.com/hotel-booking-system/#sectionDemo
• http://packetstormsecurity.com/files/176486/PHPJabbers-Hotel-Booking-System-4.0-Missing-Rate-Limiting.html

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