Attackers are exploiting CVE-2026-27540 in WooCommerce Wholesale Lead Capture to upload PHP web shells and gain remote code execution.
Attackers planted web shells through Collabora's Built-in CODE app while its document server was down; versions before 26.4.303 are affected.
NetScaler zero-days enable RCE, memory corruption, web shell deployment, log poisoning, and persistence on vulnerable ADC and Gateway systems ...
A Linux rootkit targeting devices in F5 BIG-IP APM environments can intercept PHP file loading and inject a fileless web shell directly into memory, avoiding the need to write malicious code to disk.