LiteSpeed Cache - Privilege Escalation (CVE-2024-28000)

CVE-2024-28000 is a critical privilege escalation vulnerability in LiteSpeed Cache versions 1.9 through 6.3.0.1, caused by incorrect privilege assignment. This flaw allows attackers to gain elevated permissions, potentially leading to full system compromise, data theft, or service disruption.

CrowdSec has been tracking this vulnerability and its exploits since 24th of September 2025.

CrowdSec network data shows that most actors exploiting CVE-2024-28000 rely on broad, untargeted scans with minimal filtering. The activity is largely automated and opportunistic in nature. Additionally, according to week-over-week analysis by CrowdSec, exploitation of CVE-2024-28000 is surging. Attack volumes are spiking well above historical norms, indicating widespread and escalating interest from threat actors. CVE-2024-28000 is currently experiencing high visibility and active exploitation across the internet.

Attackers exploit this vulnerability by sending crafted requests to WordPress endpoints such as /wp-json/wp/v2/users and /wp-json/wp/v2/users/{user_id} with manipulated litespeed_role and litespeed_hash cookies, allowing them to escalate privileges and create administrator accounts without authentication.