CVE-2007-2212 in MyBB
Summary
by MITRE
Multiple SQL injection vulnerabilities in calendar.php in MyBB (aka MyBulletinBoard) 1.2.5 and earlier allow remote attackers to execute arbitrary SQL commands via the (1) year or (2) month parameter. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 10/23/2025
The vulnerability described in CVE-2007-2212 represents a critical security flaw in MyBB version 1.2.5 and earlier, specifically affecting the calendar.php script. This issue falls under the category of SQL injection vulnerabilities, which are among the most dangerous web application security flaws as they allow attackers to manipulate database queries and potentially gain unauthorized access to sensitive information. The vulnerability is particularly concerning because it affects core calendar functionality and can be exploited through two distinct parameter inputs.
The technical flaw manifests when the calendar.php script fails to properly sanitize or validate user input for the year and month parameters. These parameters are directly incorporated into SQL queries without adequate input filtering or parameterization, creating an environment where malicious actors can inject arbitrary SQL commands. Attackers can manipulate these parameters to execute unauthorized database operations, potentially leading to data extraction, modification, or deletion. The vulnerability's impact is amplified by the fact that it requires no authentication to exploit, making it accessible to any remote attacker with knowledge of the vulnerable application's structure.
From an operational perspective, this vulnerability poses significant risks to MyBB installations, particularly those handling sensitive user data or containing confidential information. The ability to execute arbitrary SQL commands means that attackers could potentially extract user credentials, personal information, forum content, or other valuable data from the underlying database. Additionally, the vulnerability could enable attackers to modify forum data, delete content, or even escalate privileges within the application. The long timeframe since the vulnerability's discovery and the specific version affected suggest that many installations may have remained unpatched, creating a persistent threat landscape.
Security professionals should note that this vulnerability aligns with CWE-89, which specifically addresses SQL injection flaws in software applications. The attack vector follows patterns consistent with ATT&CK technique T1190, where adversaries exploit vulnerabilities in web applications to gain access to backend databases. Organizations should implement immediate mitigation strategies including applying the latest security patches, implementing proper input validation, and deploying web application firewalls to monitor for suspicious SQL injection attempts. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other components of the web application stack, as SQL injection remains one of the most prevalent and dangerous threats in modern web environments.