The exploitation of CVE-2026-3300 in the Everest Forms Pro WordPress plugin has escalated into a full-scale fleet hijacking operation. While initial reports focused on individual site takeovers, new intelligence suggests that threat actors are now utilizing the vulnerability to build a persistent, distributed botnet of high-traffic WordPress sites. The vulnerability, which allows for unauthenticated administrative access, is being exploited at scale using automated scripts that scan the internet for vulnerable installations. Once access is gained, the attackers do not simply deface the site; instead, they install a sophisticated backdoor that allows for long-term persistence and command-and-control (C2) communication. This backdoor is often disguised as a legitimate plugin or a core WordPress file, making detection difficult for standard security scanners. According to BleepingComputer, the hijacked sites are being used for a variety of purposes, including the injection of malicious SEO content, the hosting of phishing pages, and the execution of distributed brute-force attacks against other WordPress installations. The scale of the operation is significant, with thousands of sites reportedly compromised in the last 48 hours. This shift toward 'fleet hijacking' represents a strategic evolution in WordPress-focused attacks. Rather than seeking a quick win, attackers are building a durable infrastructure that can be monetized over a long period. The impact on the WordPress ecosystem is profound, as the compromise of a popular plugin like Everest Forms Pro can have a cascading effect across hundreds of thousands of websites. This campaign also highlights the fragility of the WordPress plugin supply chain. Many organizations rely on third-party plugins for critical functionality without performing adequate security vetting. The rapid exploitation of CVE-2026-3300 serves as a stark reminder of the risks associated with this model. To mitigate the threat, administrators must immediately update Everest Forms Pro to the latest version and perform a thorough audit of their site for signs of compromise, including unauthorized administrative users and suspicious files. The use of a Web Application Firewall (WAF) can also provide an additional layer of protection by blocking known exploit patterns. As the situation continues to evolve, we expect to see further refinements in the attackers' TTPs, including the use of AI to automate the discovery of new vulnerabilities and the evasion of security controls. The Everest Forms Fleet Hijack is a clear signal that the era of simple site defacement is over, replaced by a more sophisticated and dangerous paradigm of infrastructure subversion.