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Critical vulnerabilities

3 critical vulnerabilities in 3 WordPress plugins

3 vulnerabilities rated critical (CVSS 9.0 or higher) found on 31 October 2026: Remote code execution in WordPress plugins, Broken access control in WordPress plugins.

  • 3 critical

Remote code execution in PDF Invoice for WooCommerce + Drag and Drop Template Builder · WordPress plugins

CVE-2026-109220

PDF Invoice for WooCommerce + Drag and Drop Template Builder <= 7.1.1 - Unauthenticated PHP Object Injection to Remote Code Execution via 'customer_note' Checkout Field

Severity
Critical 9.8
Published
31 Oct 2026
SoftwareAffected versions
PDF For Woocommerce (WordPress plugin)WordPress plugins
  • Every version up to 7.1.1
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-109220
Everything about CVE-2026-109220

Broken access control in WP Booking System · WordPress plugins

CVE-2026-116557

WP Booking System <= 2.1.0.5 - Missing Authorization to Unauthenticated Arbitrary Calendar Note Deletion via wpbs_calendar_remove_note AJAX Action

Severity
Critical 9.1
Published
31 Oct 2026
SoftwareAffected versions
WP Booking System (WordPress plugin)WordPress plugins
  • Every version up to 2.1.0.5
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-116557
Everything about CVE-2026-116557

Broken access control in Popup Builder · WordPress plugins

CVE-2026-89270

Popup Builder <= 4.4.5 - Missing Authorization to Unauthenticated Arbitrary Popup Post Trashing via 'post_type' and 'sg_popup_preview_id' Parameters

Severity
Critical 9.1
Published
31 Oct 2026
SoftwareAffected versions
Popup Builder (WordPress plugin)WordPress plugins
  • Every version up to 4.4.5
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-89270
Everything about CVE-2026-89270

From NVD, the CVE Program, OSV.dev with the GitHub Advisory Database, WPVulnerability, WordPress's security advisories and CISA's Known Exploited Vulnerabilities catalog, as they stood when this was written. Each vulnerability's own page has its latest rating and fix. This product uses the NVD API but is not endorsed or certified by the NVD.