CVE-2015-7319 in Appointment Booking Calendar Plugin
Summary
by MITRE
SQL injection vulnerability in cpabc_appointments_admin_int_calendar_list.inc.php in the Appointment Booking Calendar plugin before 1.1.8 for WordPress allows remote attackers to execute arbitrary SQL commands via unspecified vectors related to updating the username.
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Analysis
by VulDB Data Team • 06/19/2022
The CVE-2015-7319 vulnerability represents a critical sql injection flaw within the Appointment Booking Calendar plugin for wordpress systems. This vulnerability specifically affects versions prior to 1.1.8 and resides in the cpabc_appointments_admin_int_calendar_list.inc.php file which handles administrative calendar list operations. The flaw enables remote attackers to execute arbitrary sql commands through unspecified vectors that are related to updating username parameters within the administrative interface. This type of vulnerability falls under the common weakness enumeration category CWE-89 which specifically addresses sql injection vulnerabilities where untrusted data is directly incorporated into sql commands without proper sanitization or parameterization. The attack vector exploits the plugin's failure to properly validate or escape user input when processing administrative username updates, creating a pathway for malicious actors to manipulate the underlying database through crafted sql payloads.
The operational impact of this vulnerability extends beyond simple data theft to encompass complete database compromise and potential system takeover. Attackers leveraging this vulnerability can execute unauthorized sql commands that may allow them to extract sensitive information from the wordpress database, modify existing records, create new administrative accounts, or even delete critical database tables. The vulnerability is particularly dangerous because it operates within the administrative interface where elevated privileges are already assumed, meaning successful exploitation could provide attackers with full control over the appointment booking system and potentially the entire wordpress installation. This aligns with the attack technique described in the mitre att&ck framework under the category of command and control through database manipulation. The vulnerability affects not just the appointment booking functionality but could potentially expose other wordpress plugin data or even system-level information if proper database isolation is not maintained.
Mitigation strategies for CVE-2015-7319 require immediate action to upgrade the affected Appointment Booking Calendar plugin to version 1.1.8 or later where the sql injection vulnerability has been patched. System administrators should also implement proper input validation and parameterized queries throughout the wordpress environment to reduce the attack surface for similar vulnerabilities. The vulnerability highlights the importance of maintaining updated wordpress plugins and implementing web application firewalls that can detect and block sql injection attempts. Additionally, regular security audits of wordpress installations should include verification of plugin versions and proper database access controls. Organizations should also consider implementing database query logging and monitoring to detect unauthorized sql command execution attempts. The remediation process should include thorough testing of the updated plugin to ensure compatibility with existing wordpress installations while maintaining the security improvements that address the specific sql injection vectors present in the vulnerable versions.