How severe is CVE-2023-51299?

CVE-2023-51299 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-51299 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-51299?

CVE-2023-51299 affects Phpjabbers Hotel Booking System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-51299?

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

Does CVE-2023-51299 have an EU (EUVD) identifier?

Yes. CVE-2023-51299 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56020.

When was CVE-2023-51299 published?

CVE-2023-51299 was published on 2025-02-19 and last updated on 2026-06-17.

CVE-2023-51299

CVE-2023-51299 is a medium-severity vulnerability in Phpjabbers Hotel Booking System with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-56020
Weakness: CWE-79
Affected product: Phpjabbers Hotel Booking System
Published: 2025-02-19
Last modified: 2026-06-17

Description

PHPJabbers Hotel Booking System v4.0 is vulnerable to HTML Injection in the "name, plugin_sms_api_key, plugin_sms_country_code, title, plugin_sms_api_key, title" parameters.

Frequently asked questions

What is CVE-2023-51299?: PHPJabbers Hotel Booking System v4.0 is vulnerable to HTML Injection in the "name, plugin_sms_api_key, plugin_sms_country_code, title, plugin_sms_api_key, title" parameters.
How severe is CVE-2023-51299?: CVE-2023-51299 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-51299 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-51299?: CVE-2023-51299 affects Phpjabbers Hotel Booking System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-51299?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-51299 have an EU (EUVD) identifier?: Yes. CVE-2023-51299 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56020.
When was CVE-2023-51299 published?: CVE-2023-51299 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…
CVE-2023-51302 — High (CVSS 8.8): PHPJabbers Hotel Booking System v4.0 is vulnerable to CSV Injection vulnerability which allows an attacker to execute…
CVE-2023-51301 — High (CVSS 7.5): A lack of rate limiting in the "Login Section, Forgot Email" feature of PHPJabbers Hotel Booking System v4.0 allows…
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…
CVE-2023-51300 — Medium (CVSS 6.1): PHPJabbers Hotel Booking System v4.0 is vulnerable to Cross-Site Scripting (XSS) vulnerabilities in the "name,…

All CVEs affecting Phpjabbers Hotel Booking System →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →