PT-2026-26814 · Qrolic · Web Performance Monitor

Afshin Shekaari · Published 2026-03-21 · Updated 2026-03-21 · CVE-2026-1648

NVD

CVSS v3.1

7.2

High

AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

The Performance Monitor plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.0.6. This is due to insufficient validation of the 'url' parameter in the '/wp-json/performance-monitor/v1/curl data' REST API endpoint. This makes it possible for unauthenticated attackers to make web requests to arbitrary locations, including internal services, via the Gopher protocol and other dangerous protocols. This can be exploited to achieve Remote Code Execution by chaining with services like Redis.

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2026-1648

Affected Products

Web Performance Monitor

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-1648 · Security Note
• https://github.com/assetnote/blind-ssrf-chains · Note
• https://plugins.trac.wordpress.org/browser/performance-monitor/tags/1.0.6/admin/class-curl.php#L50 · Note
• https://plugins.trac.wordpress.org/browser/performance-monitor/tags/1.0.6/includes/class-rest-callback.php#L168 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/c8f42f17-bce2-421e-9031-bfa0f8c26b2a?source=cve · Note