CVE•Published 2026-06-14•Modified 2026-07-23•1 article on news•4 live references•NVD data

CVE-2026-54420Litespeedtech · Litespeed_cpanel_plugin

Vulnerability data via NVD (ingested)

CVSS v3.1

8.5

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS percentile

Exploit Prediction Scoring System · top 34% of all CVEs

Weaknesses (CWE)

CWE-61UNIX Symbolic Link (Symlink) Following

Description

LiteSpeed cPanel plugin before 2.4.8 (as distributed in LiteSpeed WHM PlugIn before 5.3.2.0) mishandles symlinks provided by a user with FTP or web shell access on a shared hosting server running CloudLinux/CageFS, as exploited in the wild in May 2026.

Timeline

Published 2026-06-14

Modified 2026-07-23

External references

NVD MITRE Exploit-DB VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-54420

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · WP plugin path

http.html:"/wp-content/plugins/litespeed-cpanel-plugin/"

Matches any site loading the "litespeed-cpanel-plugin" plugin — doesn't rely on Shodan's vuln tag.

Shodan · product

product:"Litespeedtech Litespeed Cpanel Plugin"

All exposed Litespeedtech Litespeed Cpanel Plugin instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Litespeed Cpanel Plugin"

HTTP body or banner mentions "Litespeed Cpanel Plugin" — catches deploys Shodan didn't identify as a product.