Detection Guidance

[{'type': 'paragraph', 'content': 'This vulnerability allows an attacker to make the affected website send HTTP requests to arbitrary domains. Detection can involve monitoring outgoing HTTP requests from the server to unusual or unexpected external domains.'}, {'type': 'paragraph', 'content': 'One approach is to check the version of the Grand Blog Theme installed on your WordPress site to see if it is prior to 3.1.5, as versions before this are vulnerable.'}, {'type': 'paragraph', 'content': 'Suggested commands to detect the vulnerability or suspicious activity include:'}, {'type': 'list_item', 'content': 'Use WP-CLI to check the theme version: wp theme list --status=active'}, {'type': 'list_item', 'content': 'Monitor outgoing HTTP requests from the web server using network tools like tcpdump or Wireshark, for example: sudo tcpdump -i eth0 -nn dst port 80 or 443'}, {'type': 'list_item', 'content': 'Check web server logs for unusual outbound requests or parameters that might trigger SSRF.'}, {'type': 'list_item', 'content': "Scan the WordPress installation for the theme version by inspecting the style.css file in the theme directory: grep 'Version:' wp-content/themes/grandblog/style.css"}, {'type': 'paragraph', 'content': 'Ultimately, the recommended mitigation is to update the Grand Blog Theme to version 3.1.5 or later.'}] [1]

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Executive Summary

CVE-2026-24961 is a Server Side Request Forgery (SSRF) vulnerability found in the WordPress Grand Blog Theme versions prior to 3.1.5.

This vulnerability allows an unauthenticated attacker to make the affected website send HTTP requests to arbitrary domains controlled by the attacker.

Exploiting this flaw could enable the attacker to access sensitive information from other services running on the same system.

No additional privileges are required to exploit this vulnerability.

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Impact Analysis

An attacker exploiting this SSRF vulnerability can make the affected website send HTTP requests to arbitrary domains, potentially accessing sensitive information from other services running on the same system.

This could lead to unauthorized data exposure and compromise of internal services.

The vulnerability has a CVSS score of 5.4, indicating a low severity impact and low priority for exploitation, but it still poses a security risk.

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Mitigation Strategies

The immediate step to mitigate this vulnerability is to update the Grand Blog Theme to version 3.1.5 or later.

This update resolves the Server Side Request Forgery (SSRF) vulnerability and prevents unauthenticated attackers from exploiting the issue.

No additional privileges are required to exploit this vulnerability, so prompt updating is recommended to reduce risk.

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Compliance Impact

The CVE-2026-24961 vulnerability allows an attacker to make the affected website send HTTP requests to arbitrary domains, potentially accessing sensitive information from other services on the same system.

Such unauthorized access to sensitive information could lead to data breaches, which may impact compliance with data protection regulations like GDPR and HIPAA that require safeguarding personal and sensitive data.

However, the provided information does not explicitly describe the direct impact on compliance with these standards.

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