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. CrowdSec data also reveals a clear uptick in attacks involving CVE-2024-28000 over the past week. Activity is above the usual baseline, suggesting growing attention from attackers. This may reflect rising awareness, recent exploit releases, or expanded targeting efforts.

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.