CVE-2020-36972 in SmartBlog
Summary
by MITRE • 01/28/2026
SmartBlog 2.0.1 contains a blind SQL injection vulnerability in the 'id_post' parameter of the details controller that allows attackers to extract database information. Attackers can systematically test and retrieve database contents by injecting crafted SQL queries that compare character-by-character of database information.
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Analysis
by VulDB Data Team • 02/09/2026
The vulnerability identified as CVE-2020-36972 represents a critical blind sql injection flaw within the SmartBlog 2.0.1 content management system. This vulnerability specifically affects the details controller where the 'id_post' parameter is processed without adequate input validation or sanitization. The flaw enables attackers to execute malicious sql queries against the underlying database through indirect means, making it particularly dangerous as traditional sql injection detection mechanisms may not immediately identify the malicious activity.
The technical implementation of this vulnerability stems from improper parameter handling within the application's backend processing logic. When the 'id_post' parameter is passed to the details controller, the system fails to employ proper sql escaping or parameterized query techniques. This allows an attacker to inject malicious sql code that is then executed within the database context. The blind nature of this injection means that the application does not directly return database contents in error messages, requiring attackers to use time-based or boolean-based techniques to extract information character by character.
From an operational impact perspective, this vulnerability poses significant risks to organizations utilizing SmartBlog 2.0.1. Attackers can systematically extract sensitive database information including user credentials, personal data, and application configuration details. The blind sql injection technique requires considerable time and computational resources to exploit effectively, as attackers must iterate through database contents character by character to avoid detection. This method of information extraction aligns with attack patterns documented in the attack technique matrix under technique id tt0008 for sql injection and related to the data extraction phase of cyber attacks.
The vulnerability maps directly to CWE-89 which defines improper neutralization of special elements used in sql commands, and specifically relates to CWE-94 which addresses insufficient input validation in sql injection scenarios. Organizations affected by this vulnerability should immediately implement input validation measures including parameterized queries, proper sql escaping, and input sanitization routines. The recommended mitigation strategies include updating to the latest version of SmartBlog where this vulnerability has been patched, implementing web application firewalls with sql injection detection capabilities, and conducting thorough security assessments of all web applications processing user input. Additionally, organizations should establish monitoring procedures to detect unusual database access patterns that may indicate sql injection attempts, as outlined in industry best practices for preventing sql injection attacks.