How severe is CVE-2023-51301?

CVE-2023-51301 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-2023-51301 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-2023-51301?

CVE-2023-51301 affects Phpjabbers Hotel Booking System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-51301?

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-2023-51301 have an EU (EUVD) identifier?

Yes. CVE-2023-51301 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56022.

When was CVE-2023-51301 published?

CVE-2023-51301 was published on 2025-02-19 and last updated on 2026-06-17.

CVE-2023-51301

CVE-2023-51301 is a high-severity vulnerability in Phpjabbers Hotel 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-2023-56022
Weakness: CWE-400
Affected product: Phpjabbers Hotel Booking System
Published: 2025-02-19
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-51301?: 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.
How severe is CVE-2023-51301?: CVE-2023-51301 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-2023-51301 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-2023-51301?: CVE-2023-51301 affects Phpjabbers Hotel Booking System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-51301?: 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-2023-51301 have an EU (EUVD) identifier?: Yes. CVE-2023-51301 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56022.
When was CVE-2023-51301 published?: CVE-2023-51301 was published on 2025-02-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phpjabbers:hotel_booking_system:4.0:*:*:*:*:*:*:*

More vulnerabilities in Phpjabbers Hotel Booking System

CVE-2023-40760 — Critical (CVSS 9.8): User enumeration is found in PHP Jabbers Hotel Booking System v4.0. This issue occurs during password recovery, where a…
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CVE-2023-51297 — Medium (CVSS 6.5): A lack of rate limiting in the 'Email Settings' feature of PHPJabbers Hotel Booking System v4.0 allows attackers to…
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