CVE-2023-51311 in Car Park Booking System
Summary
by MITRE • 02/20/2025
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.
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Analysis
by VulDB Data Team • 03/07/2026
The CVE-2023-51311 vulnerability affects PHPJabbers Car Park Booking System version 3.0 and represents a critical csv injection flaw that can lead to remote code execution. This vulnerability stems from inadequate input validation within the system's language section labels parameters field, which is utilized for constructing csv files. The weakness creates a pathway for attackers to inject malicious code through carefully crafted input that gets processed into csv format, potentially allowing full system compromise.
The technical flaw manifests in the insufficient sanitization of user-supplied data within the system options configuration area. When administrators or users modify language labels through the interface, the application fails to properly validate or escape special characters that could be interpreted as csv command sequences. This vulnerability aligns with CWE-1236, which addresses the improper neutralization of special elements used in csv data, and specifically relates to CWE-94, representing improper control of generation of code. The injection occurs during the csv file generation process where malicious payloads can be embedded within the label parameters, creating a vector for code execution.
The operational impact of this vulnerability extends beyond simple data manipulation, as it enables attackers to execute arbitrary code on the affected system. An attacker who gains access to the system options interface could inject malicious csv commands that, when processed by the application, could trigger remote code execution. This could allow adversaries to establish persistent access, escalate privileges, or deploy additional malware. The vulnerability is particularly dangerous in environments where administrative access is granted to untrusted users, as it bypasses normal authentication mechanisms and can be exploited without requiring advanced exploitation techniques.
Mitigation strategies should focus on implementing comprehensive input validation and sanitization measures across all user-supplied parameters within the system options section. Organizations should immediately apply the vendor-provided patch or upgrade to a patched version of the Car Park Booking System. Network segmentation and access controls should be implemented to limit exposure of the affected system to only authorized personnel. Additionally, regular security audits should be conducted to identify similar vulnerabilities in other components of the application stack. The remediation process should include thorough testing of all csv generation functions to ensure that special characters are properly escaped and that no command injection vectors remain viable. Security monitoring should be enhanced to detect anomalous csv file creation patterns that might indicate exploitation attempts.