Wordfence Security News

This week in Wordfence Security News (Week of Apr 13, 2026):Over 30 WordPress plugins purchased on the Flippa marketplace were turned into backdoors that sat dormant for eight months before activating to inject SEO spam into wp-config.php, visible only to GooglebotSmart Slider 3 Pro's update infrastructure was compromised, pushing a weaponized build through the official update channel for approximately six hours before being caughtMicrosoft's second-largest Patch Tuesday ever fixes roughly 165 vulnerabilities including a SharePoint spoofing zero-day already under active exploitation and a Defender privilege escalation zero-day linked to the BlueHammer public exploitAdobe released an emergency patch for an Acrobat Reader zero-day exploited in the wild since late 2025, discovered via malicious Russian-language PDFs about gas supply disruptionsShinyHunters extortion group listed Rockstar Games on its leak site after stealing authentication tokens from cloud analytics platform Anadot and accessing Rockstar's connected Snowflake data warehouseA critical pre-authentication remote code execution flaw in Marimo, an open-source Python notebook platform, was exploited within 10 hours of its advisory being published with no public proof of conceptTimestamps:0:00 Introduction0:26 Supply Chain Attack on 30+ Essential Plugin WordPress Plugins2:08 Smart Slider 3 Pro Update Infrastructure Compromised2:55 Kali Forms and Ninja Forms File Upload Exploitation Updates3:21 Microsoft Patch Tuesday with SharePoint and Defender Zero-Days5:31 Adobe Acrobat Reader Zero-Day Emergency Patch6:26 ShinyHunters Breach of Rockstar Games via Anadot Tokens7:16 Marimo RCE Exploited Within 10 Hours of DisclosureStory Links:30+ Plugins Backdoored After Flippa Acquisition: https://anchor.host/someone-bought-30-wordpress-plugins-and-planted-a-backdoor-in-all-of-them/Smart Slider 3 Pro — Supply Chain Compromise: https://smartslider.helpscoutdocs.com/article/2144-wordpress-security-advisory-smart-slider-3-pro-3-5-1-35-compromiseKali Forms exploitation update: https://www.wordfence.com/blog/2026/04/attackers-actively-exploiting-critical-vulnerability-in-kali-forms-plugin/Ninja Forms File Upload exploitation update: https://www.wordfence.com/blog/2026/04/50000-wordpress-sites-affected-by-arbitrary-file-upload-vulnerability-in-ninja-forms-file-upload-wordpress-plugin/April Patch Tuesday — SharePoint Zero-Day Exploited: https://www.bleepingcomputer.com/news/microsoft/microsoft-april-2026-patch-tuesday-fixes-167-flaws-2-zero-days/BlueHammer — Defender Zero-Day: https://www.bleepingcomputer.com/news/microsoft/microsoft-april-2026-patch-tuesday-fixes-167-flaws-2-zero-days/Adobe Reader Zero-Day — Exploited Since Late 2025: https://helpx.adobe.com/security/products/acrobat/apsb26-43.htmlRockstar Games Breach via Third-Party Analytics: https://www.bleepingcomputer.com/news/security/stolen-rockstar-games-analytics-data-leaked-by-extortion-gang/Marimo RCE — Exploited in Under 10 Hours: https://www.sysdig.com/blog/marimo-oss-python-notebook-rce-from-disclosure-to-exploitation-in-under-10-hoursStay informed and secure: get the latest WordPress security news on the Wordfence blog or subscribe to the WordPress Security Newsletter.

This week in Wordfence Security News (Week of Mar 30, 2026): Over 200,000 WordPress sites at risk from an unauthenticated arbitrary file move vulnerability in the MW WP Form plugin, allowing full site takeoverMassive spike in exploitation attempts targeting the Kali Forms RCE vulnerability, with activity increasing over 60x week-over-weekA major supply chain attack compromises the widely used Axios JavaScript library, distributing backdoored versions to developers worldwide Active exploitation of a critical Citrix NetScaler vulnerability enabling session hijacking and potential full appliance compromiseEuropean Commission confirms a cloud breach with data theft claims by ShinyHuntersCisco internal development environment breached via poisoned Trivy supply chain attack, exposing source code and credentialsTimestamps:0:00 Introduction0:30 MW WP Form Vulnerability1:15 Kali Forms Exploitation Surge1:55 Axios Supply Chain Attack3:20 Citrix NetScaler Active Exploitation4:57 European Commission Breach5:50 Cisco Dev Environment Breach6:47 Wrap up discussionStory Links:MW WP Form VulnerabilityKali Forms Exploitation UpdateAxios Supply Chain Attack (Wiz)Citrix NetScaler AdvisoryEuropean Commission Breach (Bloomberg)Cisco / Trivy Supply Chain AttackStay informed and secure: get the latest WordPress security news on the Wordfence blog or subscribe to the WordPress Security Newsletter.

This week in Wordfence Security News (Week of Mar 9, 2026): A critical auth bypass in Tutor LMS Pro exposes 30,000+ WordPress sites — attackers can hijack admin accounts via a Google sign-in flawAn unauthenticated SQL injection in Ally (400K+ sites)Microsoft Patch Tuesday with ~80 fixes including AI-related exploitsA max-severity Cisco SD-WAN zero-day exploited since 2023Iran-linked group Handala's claimed attack on medical device maker Stryker.Timestamps:0:00 Introduction0:22 Tutor LMS Pro Authentication Bypass1:31 Ally WordPress Plugin SQL Injection1:50 Microsoft Patch Tuesday2:46 Cisco SD-WAN Zero-Day4:26 Handala Attack on Stryker5:03 Iranian Drone Strikes on AWS Data CentersStory Links:Tutor LMS Pro Auth Bypass: https://www.wordfence.com/blog/2026/03/30000-wordpress-sites-affected-by-authentication-bypass-vulnerability-in-tutor-lms-pro-wordpress-plugin/Ally Plugin SQL Injection: https://www.wordfence.com/blog/2026/03/400000-wordpress-sites-affected-by-unauthenticated-sql-injection-vulnerability-in-ally-wordpress-plugin/Microsoft Patch Tuesday: https://msrc.microsoft.com/update-guide/Cisco SD-WAN Advisory: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4vIran Cyber Retaliation: https://industrialcyber.co/reports/cyber-retaliation-surges-after-us-israel-strikes-on-iran-as-hacktivists-hit-governments-defense-critical-sectors/Stryker Cyberattack (WSJ): https://www.wsj.com/articles/stryker-hit-with-suspected-iran-linked-cyberattack-52f6615cAWS Data Centers Struck (BBC): https://www.bbc.com/news/articles/cgk28nj0lrjoWeekly Vulnerability Report: https://www.wordfence.com/blog/2026/03/wordfence-intelligence-weekly-wordpress-vulnerability-report-march-2-2026-to-march-8-2026/Stay informed and secure: get the latest WordPress security news on the Wordfence blog or subscribe to the WordPress Security Newsletter.