CVE-2023-51316

7.5 HIGH 0.7% exploit odds No fix listed Denial of service Web app

What it is

A lack of rate limiting in the 'Forgot Password' feature of PHPJabbers Bus Reservation System v1.1 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.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of service disruption.
Exploit odds: 0.7% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2025-02-20 15:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 06:40 UTC Last updatedMost recent change to the record

Details

Published: 2025-02-20 15:15 UTC
Last modified: 2026-06-17 06:40 UTC
Exploit probability: 0.7% · EPSS, next 30 days
Weakness: CWE-400 · Uncontrolled resource consumption
Record status: Modified

Affected

Phpjabbers Bus Reservation System 1.1

Attack profile CVSS 3.1 · 7.5

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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References

NVD record · CVE.org record