CVE-2023-45951 in lylme_spage
Summary
by MITRE • 10/25/2023
lylme_spage v1.7.0 was discovered to contain a SQL injection vulnerability via the $userip parameter at function.php.
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Analysis
by VulDB Data Team • 02/13/2026
The vulnerability identified as CVE-2023-45951 affects lylme_spage version 1.7.0 and represents a critical SQL injection flaw that could enable unauthorized database access and data manipulation. This vulnerability specifically manifests through the $userip parameter within the function.php file, creating a pathway for malicious actors to execute arbitrary SQL commands against the underlying database system. The flaw stems from insufficient input validation and sanitization of user-provided data, allowing attackers to inject malicious SQL code that bypasses normal authentication and authorization mechanisms.
The technical implementation of this vulnerability aligns with CWE-89, which categorizes SQL injection as a serious weakness in application security where untrusted data is incorporated into SQL queries without proper escaping or parameterization. The $userip parameter serves as the attack vector because it likely receives user input directly from HTTP headers or client-side requests without adequate sanitization measures. This allows attackers to manipulate the SQL query structure by injecting malicious payloads that can extract sensitive information, modify database records, or even execute administrative commands on the database server itself.
The operational impact of this vulnerability extends beyond simple data theft, as it could enable full database compromise and potential lateral movement within affected systems. Attackers could leverage this weakness to access user credentials, personal information, financial data, or other sensitive materials stored in the database. The vulnerability's presence in a web application framework like lylme_spage suggests potential widespread impact across installations using this specific version, particularly in environments where the application handles user data or implements user authentication mechanisms. The attack surface becomes particularly dangerous when considering that user IP addresses are commonly used in web applications for logging, tracking, or access control purposes, making this parameter a prime target for exploitation.
Mitigation strategies should focus on immediate input validation and parameterized query implementation to prevent SQL injection attacks. The recommended approach involves implementing proper input sanitization routines that filter or escape special characters in the $userip parameter before processing. Additionally, developers should adopt prepared statements or parameterized queries to ensure that user input is treated as data rather than executable code. The application should also implement proper error handling to prevent information leakage that could aid attackers in crafting more sophisticated attacks. Organizations should conduct comprehensive security assessments of their web applications, review input validation mechanisms, and implement web application firewalls to detect and prevent such injection attempts. The vulnerability highlights the importance of following secure coding practices and adhering to the principle of least privilege in database access control to minimize potential damage from successful exploitation attempts.