CVE-2024-5021: SSRF in WordPress Picture / Portfolio / Media Gallery

The SSRF vulnerability in WordPress Picture / Portfolio / Media Gallery allows an attacker to craft malicious requests that appear to originate from the plugin itself. This can be exploited to query internal services that are not directly accessible from the outside world, such as databases, administrative interfaces, or other internal APIs. Successful exploitation could lead to information disclosure, privilege escalation, or even remote code execution if the internal services are vulnerable. The attacker could potentially map the internal network, identify other vulnerable services, and use this as a stepping stone for further attacks. This vulnerability is particularly concerning given the widespread use of WordPress and the potential for large-scale compromise.

1. Reserved2024-05-16
2. Published2024-06-19
3. Modified2024-08-01
4. EPSS updated2026-04-02

The primary mitigation for CVE-2024-5021 is to immediately update the WordPress Picture / Portfolio / Media Gallery plugin to a version that addresses the SSRF vulnerability. If upgrading is not immediately feasible due to compatibility issues or testing requirements, consider implementing a Web Application Firewall (WAF) rule to block outbound requests to potentially sensitive internal resources. Restrict the plugin's access to external resources by implementing strict input validation and sanitization. Monitor web server access logs for unusual outbound requests originating from the plugin. After upgrading, confirm the fix by attempting to trigger an SSRF request and verifying that it is blocked.