How severe is CVE-2023-51311?

CVE-2023-51311 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-51311 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-51311?

CVE-2023-51311 affects Phpjabbers Car Park Booking System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-51311?

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-2023-51311 have an EU (EUVD) identifier?

Yes. CVE-2023-51311 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56032.

When was CVE-2023-51311 published?

CVE-2023-51311 was published on 2025-02-20 and last updated on 2026-06-17.

CVE-2023-51311

CVE-2023-51311 is a high-severity vulnerability in Phpjabbers Car Park Booking System with a CVSS 3.x base score of 8.8. 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-1236.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-56032
Weakness: CWE-1236
Affected product: Phpjabbers Car Park Booking System
Published: 2025-02-20
Last modified: 2026-06-17

Description

PHPJabbers Car Park Booking System v3.0 is vulnerable to CSV Injection vulnerability which allows an attacker to execute remote code. The vulnerability exists due to insufficient input validation on Languages section Labels any parameters field in System Options that is used to construct CSV file.

Frequently asked questions

What is CVE-2023-51311?: PHPJabbers Car Park Booking System v3.0 is vulnerable to CSV Injection vulnerability which allows an attacker to execute remote code. The vulnerability exists due to insufficient input validation on Languages section Labels any parameters field in System Options that is used to construct CSV file.
How severe is CVE-2023-51311?: CVE-2023-51311 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-51311 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-51311?: CVE-2023-51311 affects Phpjabbers Car Park Booking System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-51311?: 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-2023-51311 have an EU (EUVD) identifier?: Yes. CVE-2023-51311 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56032.
When was CVE-2023-51311 published?: CVE-2023-51311 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-2023-51308 — 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-2023-51310 — Medium (CVSS 4.3): A lack of rate limiting in the 'Forgot Password', 'Email Settings' feature of PHPJabbers Car Park Booking System v3.0…
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…

All CVEs affecting Phpjabbers Car Park Booking System →

Other CWE-1236 (Improper Neutralization of Formula Elements in a CSV File) vulnerabilities

CVE-2026-31049 — Critical (CVSS 9.8): An issue in Hostbill v.2025-11-24 and 2025-12-01 allows a remote attacker to execute arbitrary code and escalate…
CVE-2020-36962 — Critical (CVSS 9.8): Tendenci 12.3.1 contains a CSV formula injection vulnerability in the contact form message field that allows attackers…
CVE-2021-47901 — Critical (CVSS 9.8): Dirsearch 0.4.1 contains a CSV injection vulnerability when using the --csv-report flag that allows attackers to inject…
CVE-2020-36941 — Critical (CVSS 9.8): Knockpy 4.1.1 contains a CSV injection vulnerability that allows attackers to inject malicious formulas into CSV…
CVE-2025-56267 — Critical (CVSS 9.8): A CSV injection vulnerability in the /id_profiles endpoint of Avigilon ACM v7.10.0.20 allows attackers to execute…
CVE-2023-47295 — Critical (CVSS 9.8): A CSV injection vulnerability in NCR Terminal Handler v1.5.1 allows attackers to execute arbitrary commands via…

Browse all CWE-1236 (Improper Neutralization of Formula Elements in a CSV File) vulnerabilities →