How severe is CVE-2023-51314?

CVE-2023-51314 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-51314 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-51314?

CVE-2023-51314 affects Phpjabbers Restaurant Booking System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-51314?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-51314 have an EU (EUVD) identifier?

Yes. CVE-2023-51314 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56035.

When was CVE-2023-51314 published?

CVE-2023-51314 was published on 2025-02-20 and last updated on 2026-06-17.

CVE-2023-51314

CVE-2023-51314 is a high-severity vulnerability in Phpjabbers Restaurant Booking System with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-56035
Weakness: CWE-400
Affected product: Phpjabbers Restaurant Booking System
Published: 2025-02-20
Last modified: 2026-06-17

Description

A lack of rate limiting in the 'Forgot Password', 'Email Settings' feature of PHPJabbers Restaurant 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.

Frequently asked questions

What is CVE-2023-51314?: A lack of rate limiting in the 'Forgot Password', 'Email Settings' feature of PHPJabbers Restaurant 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.
How severe is CVE-2023-51314?: CVE-2023-51314 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-51314 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-51314?: CVE-2023-51314 affects Phpjabbers Restaurant Booking System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-51314?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-51314 have an EU (EUVD) identifier?: Yes. CVE-2023-51314 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56035.
When was CVE-2023-51314 published?: CVE-2023-51314 was published on 2025-02-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phpjabbers:restaurant_booking_system:3.0:*:*:*:*:*:*:*

More vulnerabilities in Phpjabbers Restaurant Booking System

CVE-2023-51313 — High (CVSS 8.8): PHPJabbers Restaurant Booking System v3.0 is vulnerable to CSV Injection vulnerability which allows an attacker to…
CVE-2023-51317 — Medium (CVSS 6.5): PHPJabbers Restaurant Booking System v3.0 is vulnerable to Multiple HTML Injection in the "name, plugin_sms_api_key,…
CVE-2023-51315 — Medium (CVSS 5.4): PHPJabbers Restaurant Booking System v3.0 is vulnerable to Multiple Stored Cross-Site Scripting (XSS) in the…
CVE-2023-51312 — Medium (CVSS 5.4): PHPJabbers Restaurant Booking System v3.0 is vulnerable to Reflected Cross-Site Scripting (XSS) in Reservations menu,…

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