CVE-2026-73532

Fluent Forms Pro 6.2.7 contains an embedded malicious code vulnerability introduced via a tampered plugin build served through a decommissioned update server. The tampered build introduced a rogue PHP file libs/class-license-sync.php, loaded via a requireonce directive added to fluentformpro.php,...

CVE-2026-73533: Embedded Malicious Code

Ninja Tables Pro 5.2.11 contains an embedded malicious code vulnerability introduced via a tampered plugin build served through a decommissioned update server. The tampered build introduced a rogue PHP file app/Library/updater/NinjaTableDataSync.php that established a backdoor REST API endpoint,...

PT-2026-71689

Fluent Forms Pro 6.2.7 contains an embedded malicious code vulnerability introduced via a tampered plugin build served through a decommissioned update server. The tampered build introduced a rogue PHP file libs/class-license-sync.php, loaded via a require once directive added to fluentformpro.php...

Hackers Deploy Stealth Backdoor in WordPress Mu-Plugins to Maintain Admin Access

Cybersecurity researchers have uncovered a new stealthy backdoor concealed within the "mu-plugins" directory in WordPress sites to grant threat actors persistent access and allow them to perform arbitrary actions. Must-use plugins aka mu-plugins are special plugins that are automatically activate...

Hackers Exploit WordPress mu-Plugins to Inject Spam and Hijack Site Images

Threat actors are using the "mu-plugins" directory in WordPress sites to conceal malicious code with the goal of maintaining persistent remote access and redirecting site visitors to bogus sites. mu-plugins, short for must-use plugins, refers to plugins in a special directory...