CVE-2026-1648
Performance Monitor <= 1.0.6 - Unauthenticated Server-Side Request Forgery via 'url' Parameter
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-918 |
| Vendor | qrolic |
| Product | performance monitor |
| Published | Mar 21, 2026 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
qrolic / Performance Monitor
0 ≤ 1.0.6
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/c8f42f17-bce2-421e-9031-bfa0f8c26b2a?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/performance-monitor/tags/1.0.6/includes/class-rest-callback.php#L168 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/performance-monitor/tags/1.0.6/admin/class-curl.php#L50 github.com: https://github.com/assetnote/blind-ssrf-chains
Credits
Afshin Shekaari