Litespeedtech vulnerabilities
42 vulnerabilities
Known vulnerabilities in Litespeedtech products, newest first, with CVSS severity, EPSS, KEV listings and ransomware use, across 7 products.
Products
7- Litespeed Cache20 vulnerabilities
- Openlitespeed13 vulnerabilities
- Litespeed Web Server6 vulnerabilities
- Lsquic4 vulnerabilities
- Litespeed Cpanel Plugin2 vulnerabilities
- Litespeed Whm Plugin2 vulnerabilities
- Litespeed Web Adc1 vulnerabilities
CVE-2018-19791litespeedtechopenlitespeed
EPSS score1.24%
The server in LiteSpeed OpenLiteSpeed before 1.5.0 RC6 does not correctly handle requests for byte sequences, allowing an attacker to amplify the response size by requesting the entire response body repeatedly, as demonstrated by an HTTP Range header value beginning with the "bytes=0-,0-" substring.CVE-2018-19792litespeedtechopenlitespeedEPSS score0.43%
The server in LiteSpeed OpenLiteSpeed before 1.5.0 RC6 allows local users to cause a denial of service (buffer overflow) or possibly have unspecified other impact by creating a symlink through which the openlitespeed program can be invoked with a long command name (involving ../ characters), which is mishandled in the LshttpdMain::getServerRootFromExecutablePath function.CVE-2021-26758litespeedtechopenlitespeedEPSS score2.71%
Privilege Escalation in LiteSpeed Technologies OpenLiteSpeed web server version 1.7.8 allows attackers to gain root terminal access and execute commands on the host system.CVE-2021-24963litespeedtechlitespeed_cache+2EPSS score0.65%
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 ScriptingCVE-2021-24964litespeedtechlitespeed_cache+2EPSS score1.22%
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 endpoints by using a specific X-Forwarded-For header value. In addition, one of the endpoint could be used to set CSS code if a setting is enabled, which will then be output in some pages without being sanitised and escaped. Combining those two issues, an unauthenticated attacker could put Cross-Site Scripting payloads in pages visited by users.CVE-2015-3890litespeedtechopenlitespeedEPSS score1.06%
Use-after-free vulnerability in Open Litespeed before 1.3.10.CVE-2025-54939litespeedtechlitespeed_web_adc+3EPSS score0.80%
LiteSpeed QUIC (LSQUIC) Library before 4.3.1 has an lsquic_engine_packet_in memory leak.CVE-2025-24947litespeedtechlsquicEPSS score0.68%
A hash collision vulnerability (in the hash table used to manage connections) in LSQUIC (aka LiteSpeed QUIC) before 4.2.0 allows remote attackers to cause a considerable CPU load on the server (a Hash DoS attack) by initiating connections with colliding Source Connection IDs (SCIDs). This is caused by XXH32 usage.CVE-2025-12450litespeedtechlitespeed_cache+1EPSS score0.38%
The LiteSpeed Cache plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via URLs in all versions up to, and including, 7.5.0.1 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.CVE-2020-29172litespeedtechlitespeed_cache+1EPSS score0.94%
A cross-site scripting (XSS) vulnerability in the LiteSpeed Cache plugin before 3.6.1 for WordPress can be exploited via the Server IP setting.CVE-2020-5519litespeedtechopenlitespeedEPSS score1.20%
The WebAdmin Console in OpenLiteSpeed before v1.6.5 does not strictly check request URLs, as demonstrated by the "Server Configuration > External App" screen.CVE-2022-0074litespeed_technologieslitespeed_web_server+2EPSS score1.26%
Untrusted Search Path vulnerability in LiteSpeed Technologies OpenLiteSpeed Web Server and LiteSpeed Web Server Container allows Privilege Escalation. This affects versions from 1.6.15 before 1.7.16.1.CVE-2022-0073litespeed_technologieslitespeed_web_server+2EPSS score9.21%
Improper Input Validation vulnerability in LiteSpeed Technologies OpenLiteSpeed Web Server and LiteSpeed Web Server dashboards allows Command Injection. This affects 1.7.0 versions before 1.7.16.1.CVE-2022-0072litespeed_technologieslitespeed_web_server+2EPSS score0.99%
Directory Traversal vulnerability in LiteSpeed Technologies OpenLiteSpeed Web Server and LiteSpeed Web Server dashboards allows Path Traversal. This affects versions from 1.5.11 through 1.5.12, from 1.6.5 through 1.6.20.1, from 1.7.0 before 1.7.16.1CVE-2022-46800litespeed technologieslitespeed cache+2EPSS score0.26%
Cross-Site Request Forgery (CSRF) vulnerability in LiteSpeed Technologies LiteSpeed Cache plugin <= 5.3 versions.CVE-2022-30592litespeedtechlsquicEPSS score3.26%
liblsquic/lsquic_qenc_hdl.c in LiteSpeed QUIC (aka LSQUIC) before 3.1.0 mishandles MAX_TABLE_CAPACITY.CVE-2012-4871litespeedtechlitespeed_web_serverEPSS score1.63%
Cross-site scripting (XSS) vulnerability in service/graph_html.php in the administrator panel in LiteSpeed Web Server 4.1.11 allows remote attackers to inject arbitrary web script or HTML via the gtitle parameter.CVE-2010-2333litespeedtechlitespeed_web_serverEPSS score60.20%
LiteSpeed Technologies LiteSpeed Web Server 4.0.x before 4.0.15 allows remote attackers to read the source code of scripts via an HTTP request with a null byte followed by a .txt file extension.CVE-2004-01124dwebstar+54EPSS score10.42%
The SSL/TLS handshaking code in OpenSSL 0.9.7a, 0.9.7b, and 0.9.7c, when using Kerberos ciphersuites, does not properly check the length of Kerberos tickets during a handshake, which allows remote attackers to cause a denial of service (crash) via a crafted SSL/TLS handshake that causes an out-of-bounds read.CVE-2024-47374litespeed technologieslitespeed cache+2EPSS score1.40%
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.