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CVE-2026-48172

LiteSpeed cPanel Plugin Privilege Escalation Vulnerability

LiteSpeed cPanel PluginApplications & CMS
Open in ThreatlineRecord JSON
CVSS
10.0Critical
ExploitationExploited in the wildAdded to KEV 26 May 2026CISA KEV
Exploit odds (EPSS)1.01%Chance of exploitation activity in the next 30 days, higher than 62% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in2.4.7Also 5.3.1.0CVE List
Federal deadline29 May 2026Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 21 May 2026, 00:38 UTCPublishedCVE List
  2. 26 May 2026Added to CISA KEVCISA KEV

Description

LiteSpeed cPanel Plugin contains privilege escalation vulnerability that is exposed via the user-end cPanel plugin, which can be abused by any cPanel user account to execute arbitrary scripts with root privileges.

Text from CVE List

Affected versions 2

  • cPanel Pluginaffected: 2.3 before 2.4.7CVE List
  • WHM Pluginaffected: all versions before 5.3.1.0CVE List

References 5