CVE-2026-59550 in AWP Classifieds Plugin
Summary
by MITRE • 07/27/2026
Unauthenticated SQL Injection in AWP Classifieds <= 4.4.7 versions.
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Analysis
by VulDB Data Team • 07/27/2026
This vulnerability represents a critical security flaw in the AWP Classifieds plugin for WordPress systems, affecting versions up to and including 4.4.7. The issue stems from inadequate input validation and sanitization within the plugin's database interaction mechanisms, allowing malicious actors to execute arbitrary SQL commands without requiring authentication credentials. The vulnerability manifests when user-supplied parameters are directly incorporated into SQL query constructions without proper escaping or parameterization techniques.
The technical implementation of this flaw typically occurs in areas where the plugin processes user input through GET or POST parameters that are subsequently used in database queries. Attackers can craft malicious payloads that manipulate the SQL syntax structure, potentially leading to unauthorized data access, modification, or deletion. This type of vulnerability falls under the Common Weakness Enumeration category CWE-89, which specifically addresses SQL injection flaws where untrusted input is incorporated into SQL commands without proper validation or escaping mechanisms. The attack vector commonly involves manipulating URL parameters or form submissions that are processed by the plugin's backend database functions.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with extensive control over the affected WordPress installation's database layer. Successful exploitation could enable unauthorized users to extract sensitive information including user credentials, personal data, and administrative access details. Additionally, attackers might modify or delete database entries, potentially compromising the integrity of classified listings and related content. The vulnerability also creates opportunities for further attacks within the compromised environment, as database access often provides pathways to escalate privileges or establish persistent access. According to the MITRE ATT&CK framework, this vulnerability maps to technique T1071.004 for application layer protocol usage and T1566 for credential harvesting through exploitation of remote services.
Mitigation strategies should prioritize immediate patching of affected systems to version 4.4.8 or later where the SQL injection vulnerabilities have been addressed. Organizations should implement proper input validation and parameterized queries throughout their applications to prevent similar issues from occurring in other components. Database access controls should be reviewed to ensure least privilege principles are enforced, limiting the damage that could result from successful exploitation. Regular security audits and penetration testing can help identify similar vulnerabilities in other plugins or custom code implementations. Network monitoring solutions should be configured to detect suspicious database query patterns that might indicate attempted SQL injection attacks. Additionally, implementing web application firewalls and input sanitization layers can provide additional defense-in-depth measures against this class of vulnerability.