Litespeedtech vulnerabilities, page 2

42 vulnerabilities

Known vulnerabilities in Litespeedtech products, newest first, with CVSS severity, EPSS, KEV listings and ransomware use, across 7 products.

8.8CVE-2024-47637litespeed technologieslitespeed cache+2
EPSS score
0.65%
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.
6.5CVE-2024-47373litespeed technologieslitespeed cache+2
EPSS score
0.26%
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpeed Technologies LiteSpeed Cache litespeed-cache allows Stored XSS.This issue affects LiteSpeed Cache: from n/a through <= 6.5.0.2.
5.5CVE-2024-9169litespeedtechlitespeed_cache+1
EPSS score
0.28%
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 input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
5.3CVE-2024-31617litespeedtechopenlitespeed
EPSS score
0.44%
OpenLiteSpeed before 1.8.1 mishandles chunked encoding.
9.8CVE-2024-25678litespeedtechlsquic
EPSS score
0.35%
In LiteSpeed QUIC (LSQUIC) Library before 4.0.4, DCID validation is mishandled.
9.8CVE-2024-44000litespeed technologieslitespeed cache+2
EPSS score
82.34%
Insufficiently Protected Credentials vulnerability in LiteSpeed Technologies LiteSpeed Cache litespeed-cache allows Authentication Bypass.This issue affects LiteSpeed Cache: from n/a through < 6.5.0.1.
9.8CVE-2024-28000litespeed technologieslitespeed cache+2
EPSS score
68.27%
Incorrect Privilege Assignment vulnerability in LiteSpeed Technologies LiteSpeed Cache litespeed-cache.This issue affects LiteSpeed Cache: from n/a through <= 6.3.0.1.
6.1CVE-2024-3246litespeedtechlitespeed_cache+1
EPSS score
0.18%
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 validation. This makes it possible for unauthenticated attackers to update the token setting and inject malicious JavaScript via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
9.8CVE-2024-50550litespeed technologieslitespeed cache+2
EPSS score
0.90%
Incorrect Privilege Assignment vulnerability in LiteSpeed Technologies LiteSpeed Cache litespeed-cache allows Privilege Escalation.This issue affects LiteSpeed Cache: from n/a through <= 6.5.1.
8.5CVE-2026-54420litespeed technologiescpanel plugin+2KEV
EPSS score
0.81%
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.
10CVE-2026-48172litespeed technologiescpanel plugin+3KEV
EPSS score
1.01%
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 grep -rE "cpanel_jsonapi_func=redisAble" /var/cpanel/logs /usr/local/cpanel/logs/ 2>/dev/null in Bash. If you get no output, you have not been hit with exploitation of the vulnerability. If there is output, we recommend you examine the IP addresses in the list, determine if they are valid IP addresses, and if not, block them. To determine damage done, examine the system logs for use by the detected IP addresses. The issue is related to mishandling of Redis enable/disable features. The recommended minimum version is 2.4.7.
8.6CVE-2026-31386litespeed technologieslsws enterprise+3
EPSS score
2.21%
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 administrative privilege.
4.7CVE-2026-76579litespeedtechlitespeed_cache+1
EPSS score
0.38%
The LiteSpeed Cache plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'esi' parameter in all versions up to, and including, 7.9 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. Exploitation requires that the attacker supply a validly signed 'esi' value in the GET query string while submitting a separate attacker-controlled 'esi' payload as a POST body field, relying on PHP's default $_REQUEST merge order to have the POST value take precedence at the point of execution.
7.2CVE-2026-18978litespeedtechlitespeed_cache+1
EPSS score
0.37%
The LiteSpeed Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content in all versions up to, and including, 7.8.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. A comment payload crafted exclusively from decimal numeric character references (e.g. &#34;, &#60;, &#62;) placed inside an allowed element such as &lt;code&gt; bypasses WordPress's wp_kses sanitization, as kses does not treat a data-settings="..." substring within text content as an HTML attribute, allowing the malicious payload to reach the vulnerable function. For this to be exploitable, the site must allow users with previously approved comments to write new comments, and the require_name_email setting must be disabled.
6.7CVE-2026-104474litespeedtechopenlitespeed
EPSS score
0.08%
OpenLiteSpeed before 1.9.3 contains a local privilege escalation vulnerability in admin/misc/lsup.sh that runs unverified update packages from a nobody-writable directory as root. Attackers controlling the nobody web process can replace the package in /usr/local/lsws/autoupdate/ before extraction, so its install.sh runs as root on the next update.
9.4CVE-2026-93903litespeedtechlitespeed_web_server
EPSS score
0.26%
LiteSpeed Web Server (LSWS) before 6.3.7 build 1 mishandles internal redirect URL validation in a certain "corner case."
6.4CVE-2026-3129litespeedtechlitespeed_cache+1
EPSS score
0.33%
The LiteSpeed Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via crafted `<img>` tag attributes in all versions up to, and including, 7.7. This is due to a flawed regular expression that is used to strip `width` and `height` attributes from images when the "Lazy Load Images" and "Add Missing Sizes" features are enabled. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that execute whenever a user accesses an injected page.
7.2CVE-2026-3375litespeedtechlitespeed_cache+1
EPSS score
0.44%
The LiteSpeed Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the /wp-json/litespeed/v1/notify_ccss and /wp-json/litespeed/v1/notify_ucss REST API endpoints in all versions up to, and including, 7.7. These endpoints accept CSS content from QUIC.cloud callback notifications and store it to disk without sanitization. The stored content is later rendered inline frontend page loads without output escaping. The access control protecting these endpoints is IP-based validation that can potentially be bypassed when the WordPress site is deployed behind a reverse proxy, load balancer, or CDN with certain configurations. This makes it possible for unauthenticated attackers, under certain conditions, to inject arbitrary JavaScript into CCSS/UCSS content.
8.3CVE-2023-40000litespeed technologieslitespeed cache+2
EPSS score
54.87%
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpeed Technologies LiteSpeed Cache allows Stored XSS.This issue affects LiteSpeed Cache: from n/a through 5.7.
7.5CVE-2023-40518litespeedtechopenlitespeed
EPSS score
0.65%
LiteSpeed OpenLiteSpeed before 1.7.18 does not strictly validate HTTP request headers.