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CVE-2026-1648

HIGH 7.2 CVSS 3.1
Published
March 21, 2026
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-918
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Description

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.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • qrolic Performance Monitor — Up to and including 1.0.6

References

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