Summary Points
- The LiteSpeed User-End cPanel Plugin (versions 2.3 to 2.4.4) is actively exploited via CVE-2026-48172, allowing attackers to run arbitrary scripts with root privileges.
- Exploits leverage the
lsws.redisAblefunction to execute malicious scripts, potentially gaining full control over affected servers. - Immediate actions include updating to version 2.4.7 or later and monitoring logs with specific indicators to detect and block ongoing attacks.
Threat, Attack Techniques, and Targets
A dangerous security flaw has been found in the LiteSpeed cPanel Plugin. This flaw is identified as CVE-2026-48172. It has a maximum severity score of 10.0, meaning it is extremely dangerous. Hackers are actively exploiting this vulnerability in the wild. The flaw allows attackers to run scripts with root privileges on affected servers. This is possible because of incorrect privilege assignment in the plugin. Any cPanel user, including hackers or compromised accounts, can misuse the vulnerable function called lsws.redisAble. The targeted systems are servers running LiteSpeed with versions 2.3 to 2.4.4 of the plugin. The attack method involves exploiting the vulnerability to execute malicious scripts.
Impact, Security Implications, and Remediation Guidance
This vulnerability can cause serious security issues. Attackers gaining root access can control the server completely. It puts sensitive data and server integrity at risk. As a result, there are significant implications for system security and data safety. LiteSpeed has addressed this issue by releasing updated plugin versions. To fix the problem, users should upgrade to version 2.4.5 or higher. Those who cannot upgrade immediately should run a uninstall command to remove the plugin. It is important to follow vendor guidance for proper patching. If needed, obtain remediation instructions from the vendor or relevant security authority to ensure full protection.
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