How severe is CVE-2023-51310?

CVE-2023-51310 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2023-51310 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-51310?

CVE-2023-51310 affects Phpjabbers Car Park Booking System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-51310?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-51310 have an EU (EUVD) identifier?

Yes. CVE-2023-51310 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56031.

When was CVE-2023-51310 published?

CVE-2023-51310 was published on 2025-02-20 and last updated on 2026-06-17.

CVE-2023-51310

CVE-2023-51310 is a medium-severity vulnerability in Phpjabbers Car Park Booking System with a CVSS 3.x base score of 4.3. 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-770.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-56031
Weakness: CWE-770
Affected product: Phpjabbers Car Park 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 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.

Frequently asked questions

What is CVE-2023-51310?: A lack of rate limiting in the 'Forgot Password', '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.
How severe is CVE-2023-51310?: CVE-2023-51310 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2023-51310 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-51310?: CVE-2023-51310 affects Phpjabbers Car Park Booking System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-51310?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-51310 have an EU (EUVD) identifier?: Yes. CVE-2023-51310 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56031.
When was CVE-2023-51310 published?: CVE-2023-51310 was published on 2025-02-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phpjabbers:car_park_booking_system:3.0:*:*:*:*:*:*:*

More vulnerabilities in Phpjabbers Car Park Booking System

CVE-2023-51311 — High (CVSS 8.8): PHPJabbers Car Park Booking System v3.0 is vulnerable to CSV Injection vulnerability which allows an attacker to…
CVE-2023-51308 — Medium (CVSS 6.1): PHPJabbers Car Park Booking System v3.0 is vulnerable to Multiple HTML Injection in the "name, plugin_sms_api_key,…
CVE-2023-51309 — Medium (CVSS 4.3): A lack of rate limiting in the 'Email Settings' feature of PHPJabbers Car Park Booking System v3.0 allows attackers to…

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