CVE-2026-66622 in Depicter Slider Plugin
Summary
by MITRE • 08/18/2026
Unauthenticated SQL Injection in Depicter Slider <= 4.8.0 versions.
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Analysis
by VulDB Data Team • 08/18/2026
The vulnerability identified as an unauthenticated SQL injection within Depicter Slider versions prior to or equal to 4.8.0 represents a critical security flaw that allows remote attackers to execute arbitrary Structured Query Language commands against the underlying database management system without requiring valid credentials. This type of vulnerability typically arises from insufficient input validation and sanitization mechanisms when processing user-supplied data, specifically within endpoints related to slider configuration or image retrieval operations managed by the plugin. The absence of authentication requirements for this specific attack vector significantly lowers the barrier to entry for malicious actors, enabling exploitation by any internet-connected entity with knowledge of the target application's structure.
From a technical perspective, the flaw likely stems from the direct concatenation of unsanitized user input into SQL query strings executed on the server side. When an attacker submits specially crafted parameters through HTTP requests, these inputs are interpreted as part of the database command rather than literal data values. This misinterpretation allows for the manipulation of query logic, potentially bypassing intended access controls or altering the results returned by the database engine. The impact extends beyond simple data disclosure; depending on the privileges granted to the web application's database user account, an attacker may be able to modify existing records, delete critical configuration data, or in severe cases with specific backend configurations and extensions like mysqlnd_uds or xp_cmdshell equivalents, achieve remote code execution by writing files to the server filesystem.
The operational impact of this vulnerability is profound for organizations relying on Depicter Slider for their web presence. Successful exploitation can lead to a complete compromise of website integrity and confidentiality. Attackers may extract sensitive information such as administrator usernames and password hashes stored in the WordPress database, facilitating further credential stuffing or brute-force attacks against administrative panels. Furthermore, the ability to inject malicious scripts via SQL injection could be leveraged for cross-site scripting (XSS) payloads if the injected data is subsequently reflected back into web pages without proper encoding, thereby compromising end-user sessions and potentially leading to defacement of the website or distribution of malware to visitors.
This vulnerability aligns with CWE-89, which classifies Improper Neutralization of Special Elements used in an SQL Command, commonly known as SQL Injection. In terms of offensive security frameworks, it maps directly to MITRE ATT&CK technique T1059, specifically subtechniques involving command scripting or database commands, and falls under the initial access phase where attackers exploit software vulnerabilities to gain a foothold within the network perimeter. The unauthenticated nature of this flaw places it in high-risk categories for automated scanning tools and botnets that actively probe WordPress installations for known plugin weaknesses.
Mitigation strategies must prioritize immediate remediation through version updates or manual code intervention if updating is not feasible due to compatibility constraints. Site administrators should upgrade Depicter Slider to the latest patched version where input validation, parameterized queries, or prepared statements have been implemented to ensure user inputs are treated strictly as data and never executed as part of the SQL command structure. Additionally, implementing a Web Application Firewall can provide an additional layer of defense by detecting and blocking common SQL injection patterns in HTTP traffic before they reach the application logic. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities across other plugins and themes installed on the WordPress environment, ensuring a holistic approach to web application security hygiene.