How severe is CVE-2023-51334?

CVE-2023-51334 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-51334 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-51334?

CVE-2023-51334 affects Phpjabbers Cinema Booking System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-51334?

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

Does CVE-2023-51334 have an EU (EUVD) identifier?

Yes. CVE-2023-51334 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56055.

When was CVE-2023-51334 published?

CVE-2023-51334 was published on 2025-02-20 and last updated on 2026-06-17.

CVE-2023-51334

CVE-2023-51334 is a medium-severity vulnerability in Phpjabbers Cinema Booking System with a CVSS 3.x base score of 5.3. 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 5.3)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-56055
Weakness: CWE-770
Affected product: Phpjabbers Cinema Booking System
Published: 2025-02-20
Last modified: 2026-06-17

Description

A lack of rate limiting in the 'Forgot Password' feature of PHPJabbers Cinema Booking System v1.0 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-2023-51334?: A lack of rate limiting in the 'Forgot Password' feature of PHPJabbers Cinema Booking System v1.0 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-2023-51334?: CVE-2023-51334 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-51334 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-51334?: CVE-2023-51334 affects Phpjabbers Cinema Booking System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-51334?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-51334 have an EU (EUVD) identifier?: Yes. CVE-2023-51334 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56055.
When was CVE-2023-51334 published?: CVE-2023-51334 was published on 2025-02-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phpjabbers:cinema_booking_system:1.0:*:*:*:*:*:*:*

More vulnerabilities in Phpjabbers Cinema Booking System

CVE-2024-57430 — Critical (CVSS 9.8): An SQL injection vulnerability in the pjActionGetUser function of PHPJabbers Cinema Booking System v2.0 allows…
CVE-2024-57428 — Critical (CVSS 9.3): A stored cross-site scripting (XSS) vulnerability in PHPJabbers Cinema Booking System v2.0 exists due to unsanitized…
CVE-2023-51333 — High (CVSS 8.8): PHPJabbers Cinema Booking System v1.0 is vulnerable to CSV Injection vulnerability which allows an attacker to execute…
CVE-2023-51335 — Medium (CVSS 6.5): PHPJabbers Cinema Booking System v1.0 is vulnerable to Multiple Stored Cross-Site Scripting (XSS) in the "title, name"…
CVE-2024-57427 — Medium (CVSS 6.1): PHPJabbers Cinema Booking System v2.0 is vulnerable to reflected cross-site scripting (XSS). Multiple endpoints…
CVE-2023-51330 — Medium (CVSS 5.4): PHPJabbers Cinema Booking System v1.0 is vulnerable to Reflected Cross-Site Scripting (XSS) in Now Showing menu "date"…

All CVEs affecting Phpjabbers Cinema Booking System →

Other CWE-770 (Allocation of Resources Without Limits or Throttling) vulnerabilities

CVE-2026-31283 — Critical (CVSS 9.8): In Totara LMS v19.1.5 and before, the forgot password API does not implement rate limiting for the target email…
CVE-2020-37067 — Critical (CVSS 9.8): Filetto 1.0 FTP server contains a denial of service vulnerability in the FEAT command processing that allows attackers…
CVE-2021-47875 — Critical (CVSS 9.8): GeoGebra CAS Calculator 6.0.631.0 contains a denial of service vulnerability that allows attackers to crash the…
CVE-2025-11832 — Critical (CVSS 9.8): Allocation of Resources Without Limits or Throttling vulnerability in Azure Access Technology BLU-IC2, Azure Access…
CVE-2024-44241 — Critical (CVSS 9.8): The issue was addressed with improved bounds checks. This issue is fixed in iOS 18.1 and iPadOS 18.1, macOS Sequoia…
CVE-2022-3439 — Critical (CVSS 9.8): Allocation of Resources Without Limits or Throttling in GitHub repository ikus060/rdiffweb prior to 2.5.0.

Browse all CWE-770 (Allocation of Resources Without Limits or Throttling) vulnerabilities →