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Wordfence Bug Bounty Program Monthly Report – May 2026

Wordfence's May 2026 bug bounty monthly report logged 1,095 WordPress vulnerability submissions from researchers.

Wordfence's Bug Bounty Program received 1,095 vulnerability submissions in May 2026 from its researcher community. The Wordfence Threat Intelligence team reviews, triages, and processes submissions, responsibly disclosing validated vulnerabilities to WordPress ecosystem vendors. No specific flaws or exploitation details are provided in the report summary.

Wordfence · 1d agoVulnerability

Wordfence Argus Identifies Two Critical Unauthenticated Vulnerability Chains Leading to Remote Code Execution in The Events Calendar Plugin

Wordfence Argus found two critical unauthenticated RCE vulnerability chains in The Events Calendar WordPress plugin, active on over 600,000 sites.

Wordfence Argus identified two independent critical vulnerability chains in The Events Calendar WordPress plugin on August 21-22, 2026. Both chains originate in the plugin's widget-rendering pipeline and can lead to unauthenticated Remote Code Execution via two separate methods. The plugin is active on more than 600,000 websites.

Wordfence · 1d agoVulnerability

Wordfence Intelligence Weekly WordPress Vulnerability Report (August 31, 2026 to September 6, 2026)

Wordfence's weekly WordPress vulnerability report summarizes plugin and theme vulnerabilities disclosed and added to its database during the week ending September 6, 2026.

Wordfence published its weekly WordPress Vulnerability Report covering disclosures between August 31 and September 6, 2026. The report lists new vulnerabilities added to the Wordfence Intelligence Vulnerability Database and highlights contributors to WordPress Security. Administrators are advised to review the listed plugin and theme vulnerabilities to check whether their sites are affected.

Wordfence · 5d agoAdvisory

Wordfence Intelligence Weekly WordPress Vulnerability Report (August 24, 2026 to August 30, 2026)

Wordfence's weekly report summarizes newly disclosed WordPress ecosystem vulnerabilities added to its intelligence database for August 24-30, 2026.

Wordfence published its weekly WordPress vulnerability report covering disclosures added to the Wordfence Intelligence Vulnerability Database between August 24 and August 30, 2026. The report directs site owners to review the aggregated vulnerabilities to determine whether their sites are affected. The published text provides no specific CVE identifiers or affected products.

Wordfence · 12d agoAdvisory

Wordfence Argus Finds Unauthenticated Arbitrary File Upload Vulnerability in Gravity Forms

Wordfence finds an unauthenticated arbitrary file upload flaw in Gravity Forms (1M+ installs) that can lead to remote code execution.

On August 9, 2026, Wordfence's Argus scanner discovered an unauthenticated arbitrary file upload vulnerability in the WordPress plugin Gravity Forms, estimated at over one million active installations. Attackers can write files with attacker-selected extensions to a public temporary upload directory, potentially enabling remote code execution. The post does not mention a CVE identifier or observed exploitation.

Wordfence · 14d agoVulnerability

Boost Engagement with Free Passkeys by Wordfence

Wordfence 9 introduces free passkey support, letting WordPress users log in without passwords and reducing authentication friction.

Wordfence announced that version 9 of its WordPress security plugin introduces passkeys. The feature removes the need for users to remember or copy passwords from a manager. Wordfence is offering the passkey capability for free.

Wordfence · 3h agoTools

Wordfence Intelligence Weekly WordPress Vulnerability Report (August 17, 2026 to August 23, 2026)

Wordfence logged 240 disclosed vulnerabilities across 184 WordPress plugins and 17 themes for the week of August 17-23, 2026.

Wordfence's weekly WordPress vulnerability report for August 17-23, 2026 added 240 vulnerabilities to its Intelligence Vulnerability Database, affecting 184 plugins and 17 themes. 105 vulnerability researchers contributed during the period. WordPress administrators are advised to review the list to check whether their sites use affected components.

Wordfence · 19d agoVulnerability

Wordfence Argus: Moving Beyond Human Research Capability

Wordfence showcases Argus, an AI agent for security research whose breakthrough findings required the AI itself to explain them.

Wordfence describes Argus, an AI research agent the company says has moved beyond human research capability, producing a breakthrough so complex that the team asked the agent to write the explanatory blog post itself. The post functions as a vendor announcement of AI-driven vulnerability research capability. No specific CVEs, victims, or exploited products are detailed in the available text.

Wordfence · 19d agoTools

Wordfence Argus Finds Critical Authentication Bypass in WPMU DEV Dashboard Plugin

Wordfence researchers disclosed a critical unauthenticated authentication bypass in the WPMU DEV Dashboard plugin, enabling admin takeover and possible RCE.

During internal research on August 19, 2026, Wordfence discovered an authentication bypass in the WPMU DEV Dashboard WordPress plugin, which has roughly 350,000 active installations. Unauthenticated attackers can gain administrator access when Hub Single-Sign On is enabled, enabling complete site takeover. If an administrator-writable code mechanism such as the plugin or theme editor is available, the flaw can lead to remote code execution.

Wordfence · 19d agoVulnerability

Wordfence Argus Finds Complex 6 Step Critical RCE in Avada Theme with 1 Million Sales

Wordfence's AI-assisted Argus found a six-step critical RCE chain in the Avada WordPress theme, which has more than one million sales.

Wordfence reports that its Argus research uncovered a complex six-step exploit chain yielding critical remote code execution in the Avada WordPress theme, one of the best-selling themes with over one million sales. The company also notes AI-assisted submissions to its bug bounty program grew from 16% to roughly two-thirds of all reports in recent months. Sites running Avada should apply the patched release.

Wordfence · 21d agoVulnerability

Hackers Actively Exploit Critical WooCommerce Plugin Vulnerability to Upload PHP Backdoors

Attackers actively exploit CVE-2026-27540 (CVSS 9.8) in WooCommerce Wholesale Lead Capture plugin to upload PHP webshells; patch shipped in version 2.0.3.2.

CVE-2026-27540 (CVSS 9.8) in the WooCommerce Wholesale Lead Capture plugin affects versions 2.0.3.1 and earlier across roughly 6,000 active installations. The unauthenticated AJAX handler wwlc_file_upload_handler trusts a client-supplied file_settings allowlist, letting attackers upload shell.php for remote code execution. Wordfence has blocked more than 100,000 exploit attempts since disclosure, with spikes in June, July, and August 2026. The vendor fixed the flaw in version 2.0.3.2.

GBHackersupdated · 8h agofirst · 11h agoExploit / PoC in the wild 3 sourcesCVE-2026-27540

Hackers target WordPress sites via third-party WooCommerce plugin

Attackers exploit unauthenticated file-upload flaw CVE-2026-27540 in WooCommerce Wholesale Lead Capture plugin to install PHP webshells; Wordfence blocked 100,000+ attacks.

CVE-2026-27540 is an unauthenticated arbitrary file-upload vulnerability in the WooCommerce Wholesale Lead Capture premium plugin (versions 2.0.3.1 and older), caused by the exposed wwlc_file_upload_handler AJAX action trusting a user-controlled file_settings allowlist. Discovered by researcher Teemu Saarentaus, it was fixed in version 2.0.3.2 released February 20. Defiant reports Wordfence blocked over 100,000 attacks, with exploitation spikes between June 4-17, July 1, and August 30, delivering shell.php webshells for reconnaissance and additional payload uploads.

BleepingComputer · 8h agoExploit / PoC in the wild 3 sourcesCVE-2026-27540

Forminator WordPress Flaw Can Enable Unauthenticated RCE via Malicious PHP Uploads

Wordfence disclosed CVE-2026-15748, a critical unauthenticated file upload flaw enabling RCE in the Forminator Forms WordPress plugin, patched in version 1.56.2.

Wordfence reported CVE-2026-15748 (CVSS 9.8) in Forminator Forms, a WordPress plugin with over 600,000 active installations, allowing unauthenticated attackers to upload arbitrary PHP files and achieve remote code execution. The flaw stems from insufficient file type validation in the handle_file_upload() function, and exploitation requires a form containing both a File Upload field and a Select field, plus a custom upload storage root lacking .htaccess PHP protection. All versions up to and including 1.56.1 are affected; version 1.56.2 released July 31, 2026 fixes the issue. Wordfence also disclosed CVE-2026-15826 (CVSS 9.8), an authentication bypass in User Profile Builder (40,000+ installs) letting unauthenticated attackers log in as administrator, fixed in version 3.16.5 on July 16, 2026.

The Hacker News · 29d agoVulnerabilityCVE-2026-15748CVE-2026-15826

WordPress Events Calendar Vulnerabilities Let Hackers Take Over 600,000 Websites

Two unauthenticated RCE flaws (CVSS 9.8) in The Events Calendar WordPress plugin threaten 600,000 sites; patched in 6.17.4.1.

Wordfence Argus disclosed two critical unauthenticated vulnerability chains in The Events Calendar WordPress plugin, tracked as CVE-2026-78006 and CVE-2026-78159, both scoring 9.8 CVSS. CVE-2026-78006 enables PHP object injection leading to RCE via a Lazy_Post_Collection gadget chain, while CVE-2026-78159 abuses Element_Classes::parse_array() to invoke wp_update_user() and reset the admin password. Exploitation works by injecting wp:legacy-widget Gutenberg markup through comments, using WordPress's moderation-preview hash to trigger the block before approval. StellarWP patched both flaws in version 6.17.4.1 after Wordfence's August 2026 disclosure.

GBHackers · 11h agoVulnerability 2 sourcesCVE-2026-78006CVE-2026-78159

Critical WordPress Plugin Flaws Put Over 600,000 Websites at Risk of Takeover

Two CVSS 9.8 flaws in The Events Calendar WordPress plugin expose 600,000+ sites to unauthenticated RCE and admin takeover.

Wordfence Argus discovered CVE-2026-78006 and CVE-2026-78159 (both CVSS 9.8) in StellarWP's The Events Calendar plugin, affecting over 600,000 active installations. CVE-2026-78006 exploits PHP object injection via crafted pending comments to execute OS commands; CVE-2026-78159 abuses a specially prepared array to call WordPress functions, enabling admin password resets and subsequent RCE. Both flaws are unauthenticated and patched in version 6.17.4.1, released after reports on August 21-22, 2026.

Cyber Security Newsupdated · 11h agofirst · 13h agoVulnerability 2 sourcesCVE-2026-78006CVE-2026-78159