CVE-2023-51333: PHPJabbers Cinema Booking System v1.0 is vulnerable to CSV Injection vulnerability which allows an attacker to

This month

HIGH 8.8DOWNGRADE

CVE-2023-51333 is a high-severity flaw (CVSS 8.8) affecting cinema booking system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHPJabbers Cinema Booking System v1.0 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.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-1236
Published	2025-02-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: phpjabbers

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-02-20 18:15 UTCPublished CVE record published
2026-06-17 06:40 UTCUpdated Record last modified

phpjabbers cinema booking system DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy cinema-booking-system || rpm -q cinema-booking-system || cinema-booking-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison cinema-booking-system sudo apt install cinema-booking-system=<VERSION_BEFORE_1.0> sudo apt-mark hold cinema-booking-system

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list cinema-booking-system sudo dnf downgrade cinema-booking-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add cinema-booking-system

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-51333?

cinema booking system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-51333 being exploited?

CVE-2023-51333 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-51333 affect?

CVE-2023-51333 affects cinema booking system. Severity is high (CVSS 8.8). PHPJabbers Cinema Booking System v1.0 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 fie

How urgent is CVE-2023-51333?

Priority 45/100. High severity

Related CVEs

CVE-2024-57430 CRITICAL 9.8 DOWNGRADE An SQL injection vulnerability in the pjActionGetUser function of PHPJabbers Cinema Booking System v2.0 allows
CVE-2024-57429 MEDIUM 5.4 DOWNGRADE A cross-site request forgery (CSRF) vulnerability in the pjActionUpdate function of PHPJabbers Cinema Booking
CVE-2024-57428 CRITICAL 9.3 DOWNGRADE A stored cross-site scripting (XSS) vulnerability in PHPJabbers Cinema Booking System v2.0 exists due to unsan
CVE-2024-57427 MEDIUM 6.1 DOWNGRADE PHPJabbers Cinema Booking System v2.0 is vulnerable to reflected cross-site scripting (XSS)
CVE-2023-51335 MEDIUM 6.5 DOWNGRADE PHPJabbers Cinema Booking System v1.0 is vulnerable to Multiple Stored Cross-Site Scripting (XSS) in the "titl

References

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