The WP Job Portal plugin for WordPress, widely used to create recruitment systems or job board websites, suffers from an authorization bypass vulnerability identified as CVE-2024-13428. This vulnerability is classified under CWE-639 (Authorization Bypass Through User-Controlled Key) and affects all versions up to and including 2.2.6. The root cause is an Insecure Direct Object Reference (IDOR) in the deleteCompanyLogo() function, where the plugin fails to properly validate the key parameter supplied by the user. This key is used to identify which company logo to delete, but because there is no proper authorization check or validation, an unauthenticated attacker can craft requests to delete arbitrary company logos from the system. The vulnerability requires no authentication or user interaction, making it remotely exploitable over the network with low complexity. The impact is limited to integrity, as attackers can remove company logos, potentially damaging brand reputation and user trust. Confidentiality and availability are not affected. The CVSS v3.1 base score is 5.3, indicating a medium severity level. No patches or official fixes have been published at the time of analysis, and no active exploitation has been reported. The vulnerability is significant for websites relying on this plugin to maintain their recruitment or job board functionality and branding.

The primary impact of CVE-2024-13428 is on the integrity of affected websites using the WP Job Portal plugin. Attackers can delete company logos without authentication, which can lead to reputational damage for companies relying on these logos for branding and trust. This could undermine user confidence in the job board or recruitment platform, potentially causing loss of business or user engagement. While the vulnerability does not expose sensitive data or disrupt service availability, the ability to manipulate visible content can be leveraged in social engineering or misinformation campaigns. Organizations with multiple company profiles or high-profile clients are at greater risk of reputational harm. Additionally, the ease of exploitation and lack of authentication requirements increase the likelihood of opportunistic attacks. Although no known exploits are currently active, the vulnerability presents a moderate risk that should be addressed promptly to prevent misuse.

To mitigate CVE-2024-13428, organizations should implement strict validation and authorization checks on any user-controlled parameters, especially those used to identify resources such as company logos. Specifically, the deleteCompanyLogo() function must verify that the requestor is authenticated and authorized to delete the targeted logo. Until an official patch is released, administrators can apply temporary workarounds such as restricting access to the delete functionality via web application firewalls (WAFs) or IP whitelisting. Monitoring web server logs for suspicious delete requests targeting company logos can help detect exploitation attempts. It is also advisable to maintain regular backups of company logos and related assets to enable quick restoration if deletion occurs. Organizations should track updates from the plugin vendor and apply official patches immediately once available. Additionally, conducting a security review of other plugin functions for similar authorization weaknesses is recommended to prevent related vulnerabilities.