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WooCommerce Wholesale Lead Capture CVE-2026-27540 exploitation wave

Exploitation Wave
First reported
Last updated
Happening score
H score 34
1 unique sources, 1 articles

Summary

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CVE-2026-27540 exploitation against WooCommerce Wholesale Lead Capture is driving repeated spikes and more than 100,000 blocked attacks, putting WordPress sites at risk of PHP webshell uploads and full compromise.

Related Happenings

WooCommerce Wholesale Lead Capture plugin 2.0.3.2 security update (CVE-2026-27540)

Security Patch Release
H score36 First: 15.09.2026 17:45 Last: 15.09.2026 17:45 Sources 1

How related: The vulnerability was addressed in version 2.0.3.2 of the WooCommerce Wholesale Lead Capture plugin, released on February 20.

About this happening: The WooCommerce Wholesale Lead Capture plugin's version 2.0.3.2 release closed CVE-2026-27540, an unauthenticated arbitrary file-upload flaw that let attackers upl...

Open Happening

WooCommerce Wholesale Lead Capture actively exploited arbitrary file-upload vulnerability (CVE-2026-27540)

Vulnerability
H score8 First: 15.09.2026 17:45 Last: 15.09.2026 17:45 Sources 1

How related: It is an unauthenticated arbitrary file-upload vulnerability discovered by security researcher Teemu Saarentaus.

About this happening: CVE-2026-27540 in the WooCommerce Wholesale Lead Capture WordPress plugin is being actively exploited, putting version 2.0.3.1 and older at risk of PHP webshell...

Open Happening

PaperCut CVE-2026-81578 and CVE-2026-82078 active exploitation wave

Exploitation Wave
H score53 First: 05.09.2026 10:31 Last: 05.09.2026 10:31 Sources 1

About this happening: PaperCut exploitation tied to CVE-2026-81578 and CVE-2026-82078 remains an active exploitation wave against PaperCut NG/MF servers. Arctic Wolf previously...

Open Happening

Timeline

  1. 15.09.2026 17:45 2 articles · 2h ago

    Wordfence blocks over 100,000 CVE-2026-27540 exploitation attempts against WooCommerce Wholesale Lead Capture

    Campaign Scope Update

    Wordfence says its web application firewall blocked over 100,000 attacks linked to CVE-2026-27540 against the WooCommerce Wholesale Lead Capture premium plugin for WordPress, where unauthenticated exploitation of the wwlc_file_upload_handler AJAX action and forged file_settings parameters can upload PHP webshells and lead to complete site compromise. The same reporting says exploitation activity spiked between June 4 and June 17, and again on July 1 and August 30, and advises upgrading to version 2.0.3.2 or later while checking for unexpected PHP files, suspicious /wp-admin/admin-ajax.php requests, and unknown administrator accounts.

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