litespeedtech CVEs

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 hostin…

LiteSpeed User-End cPanel Plugin before 2.4.5 allows privilege escalation (possibly to root), as exploited in the wild in May 2026. Detection is best done via a command line of gr…

OpenLiteSpeed and LSWS Enterprise provided by LiteSpeed Technologies contain an OS command injection vulnerability. An arbitrary OS command may be executed by an attacker with the…

LiteSpeed QUIC (LSQUIC) Library before 4.3.1 has an lsquic_engine_packet_in memory leak.

Incorrect Privilege Assignment vulnerability in LiteSpeed Technologies LiteSpeed Cache litespeed-cache allows Privilege Escalation.This issue affects LiteSpeed Cache: from n/a thr…

Insufficiently Protected Credentials vulnerability in LiteSpeed Technologies LiteSpeed Cache litespeed-cache allows Authentication Bypass.This issue affects LiteSpeed Cache: from…

Relative Path Traversal vulnerability in LiteSpeed Technologies LiteSpeed Cache litespeed-cache allows Path Traversal.This issue affects LiteSpeed Cache: from n/a through <= 6.4.1.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpeed Technologies LiteSpeed Cache litespeed-cache allows Stored XSS.This…

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpeed Technologies LiteSpeed Cache litespeed-cache allows Stored XSS.This…

The LiteSpeed Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via plugin debug settings in all versions up to, and including, 6.4.1 due to insufficient inp…

Incorrect Privilege Assignment vulnerability in LiteSpeed Technologies LiteSpeed Cache litespeed-cache.This issue affects LiteSpeed Cache: from n/a through <= 6.3.0.1.

The LiteSpeed Cache plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 6.2.0.1. This is due to missing or incorrect nonce valid…

OpenLiteSpeed before 1.8.1 mishandles chunked encoding.

Missing Authorization vulnerability in LiteSpeed Technologies LiteSpeed Cache.This issue affects LiteSpeed Cache: from n/a through 5.7.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpeed Technologies LiteSpeed Cache allows Stored XSS.This issue affects L…

In LiteSpeed QUIC (LSQUIC) Library before 4.0.4, DCID validation is mishandled.

The LiteSpeed Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'esi' shortcode in versions up to, and including, 5.6 due to insufficient input sanit…

LiteSpeed OpenLiteSpeed before 1.7.18 does not strictly validate HTTP request headers.

Cross-Site Request Forgery (CSRF) vulnerability in LiteSpeed Technologies LiteSpeed Cache plugin <= 5.3 versions.

Untrusted Search Path vulnerability in LiteSpeed Technologies OpenLiteSpeed Web Server and LiteSpeed Web Server Container allows Privilege Escalation. This affects versions from 1…

Improper Input Validation vulnerability in LiteSpeed Technologies OpenLiteSpeed Web Server and LiteSpeed Web Server dashboards allows Command Injection. This affects 1.7.0 versio…

Directory Traversal vulnerability in LiteSpeed Technologies OpenLiteSpeed Web Server and LiteSpeed Web Server dashboards allows Path Traversal. This affects versions from 1.5.11 t…

liblsquic/lsquic_qenc_hdl.c in LiteSpeed QUIC (aka LSQUIC) before 3.1.0 mishandles MAX_TABLE_CAPACITY.

The LiteSpeed Cache WordPress plugin before 4.4.4 does not properly verify that requests are coming from QUIC.cloud servers, allowing attackers to make requests to certain endpoin…

The LiteSpeed Cache WordPress plugin before 4.4.4 does not escape the qc_res parameter before outputting it back in the JS code of an admin page, leading to a Reflected Cross-Site…