WebPros cPanel & WHM and WP2 (WordPress Squared) Missing Authentication for Critical Function Vulnerability

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• NewsExploited · CISA KEVKnown ransomware useWebPros · cPanel & WHM and WP2 (WordPress Squared)

  WebPros cPanel & WHM and WP2 (WordPress Squared) Missing Authentication for Critical Function Vulnerability

  CVE-2026-41940

  WebPros cPanel & WHM (WebHost Manager) and WP2 (WordPress Squared) contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.

  CISA's required action · due 3 May 2026 for U.S. federal civilian agencies

  Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  Cited by CISA: support.cpanel.net · docs.cpanel.net · docs.wpsquared.com · nvd.nist.gov

  Added to KEV 30 Apr 2026 · Source checked 4 Nov 2026, 16:35 UTC · CISA KEV entry

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