SSRF Vulnerability in Auto Featured Image WordPress Plugin

Executive Summary

This vulnerability is a Server-Side Request Forgery (SSRF) issue found in the Themeisle Auto Featured Image (Auto Post Thumbnail) plugin, specifically in versions up to and including 5.0.4. SSRF vulnerabilities allow an attacker to make the server perform unintended requests to internal or external systems, potentially bypassing security controls.

Useful 0 Not Useful 0

Detection Guidance

Detecting this Server-Side Request Forgery (SSRF) vulnerability in the Themeisle Auto Featured Image (Auto Post Thumbnail) plugin requires checking if a vulnerable version is installed on your WordPress site.

• Verify the installed version of the Auto Featured Image (Auto Post Thumbnail) plugin. The vulnerability affects versions up to and including 5.0.4.
• Check the WordPress plugin directory for the plugin's version: Navigate to the WordPress admin dashboard, go to 'Plugins', and look for 'Auto Featured Image (Auto Post Thumbnail)' to see its version.
• Alternatively, you can check the plugin's version via the command line if you have access to the server. Run the following command in the WordPress plugins directory:
• grep -i 'Version' wp-content/plugins/auto-post-thumbnail/auto-post-thumbnail.php

If the version is 5.0.4 or lower, the system is vulnerable. There are no specific network-based detection commands for SSRF, as it is an application-level vulnerability. Monitoring for unusual outbound requests from the server may indicate exploitation attempts.

Useful 0 Not Useful 0

Impact Analysis

The SSRF vulnerability can allow an attacker with limited privileges to cause the server to send unauthorized requests. This can lead to information disclosure, such as leaking internal network details or sensitive data, and potentially further exploitation depending on the internal network's configuration.

Useful 0 Not Useful 0

Compliance Impact

A Server-Side Request Forgery (SSRF) vulnerability like CVE-2026-61970 can impact compliance with standards and regulations such as GDPR and HIPAA, though the exact implications depend on the context of the affected system and the data it processes.

• GDPR: If the SSRF vulnerability allows unauthorized access to or exfiltration of personally identifiable information (PII) stored on internal systems, it could lead to a data breach. Under GDPR, organizations must protect PII, and a breach could result in non-compliance, fines, or legal action if proper safeguards were not in place.
• HIPAA: For systems handling protected health information (PHI), an SSRF vulnerability could enable attackers to access internal resources containing PHI. This would violate HIPAA's Security Rule, which requires safeguards to protect the confidentiality and integrity of PHI. A breach could lead to penalties and mandatory corrective actions.
• General compliance risks: SSRF vulnerabilities can be exploited to bypass network security controls, access internal services, or perform unauthorized actions. This may violate requirements in standards like ISO 27001, PCI DSS, or others that mandate secure configuration and protection against unauthorized access.

The CVSS score of 4.9 (Medium) indicates a moderate risk, but the actual compliance impact depends on the sensitivity of the data and systems exposed by the vulnerability. Organizations should assess whether the affected plugin processes or interacts with regulated data and take remediation steps to avoid potential violations.

Useful 0 Not Useful 0

Mitigation Strategies

To mitigate this SSRF vulnerability in the Themeisle Auto Featured Image (Auto Post Thumbnail) plugin, follow these steps:

• Update the plugin to the latest version if a patched version is available. Since the vulnerability affects versions up to and including 5.0.4, check for updates in the WordPress plugin repository.
• If no update is available, consider disabling or removing the plugin until a patch is released to eliminate the risk.
• Restrict outbound network requests from the WordPress server to minimize the impact of potential SSRF attacks. This can be done using a firewall or network security group rules.
• Monitor server logs for unusual outbound requests, which may indicate exploitation attempts.
• Implement input validation and sanitization for any user-supplied URLs or requests processed by the plugin to prevent SSRF attacks.

Useful 0 Not Useful 0