Vendor
litespeedtech
17 known vulnerabilities.
12 results · Clear filters · Feed
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Medium 5.9
OpenLiteSpeed through 1.9.4 mTLS Bypass via HTTP/3 SNI and Host Mismatch
OpenLiteSpeed through 1.9.4 contains an authentication bypass vulnerability that allows unauthenticated remote attackers to evade virtual host client certificate requirements over HTTP/3. Because QuicStream inherits a verifyContext() implementation that alway…
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Medium 5.4
LiteSpeed Cache <= 7.9.1 - Unauthenticated Stored Cross-Site Scripting via HTML Minifier Predictable Placeholder (md5(REQUEST_TIME) + two-pass str_replace)
The LiteSpeed Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'comment' parameter in all versions up to, and including, 7.9.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticate…
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Medium 6.4
LiteSpeed Cache <= 7.9.1 - Authenticated (Subscriber+) Stored Cross-Site Scripting via VPI Image Attribute Re-Serialization
The LiteSpeed Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'bbp_reply_content' parameter in all versions up to, and including, 7.9.1 due to insufficient input sanitization and output escaping. This makes it possible for auth…
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Medium 6.7
OpenLiteSpeed before 1.9.3 Local Privilege Escalation via lsup.sh Auto-Update
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/lo…
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Medium 4.7
LiteSpeed Cache <= 7.9 - Reflected Cross-Site Scripting via ESI 'esi' Parameter
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 a…
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Medium 6.4
LiteSpeed Cache <= 7.7 - Authenticated (Author+) Stored Cross-Site Scripting via img Tag Attributes
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` attribute…
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Medium 6.1
LiteSpeed Cache <= 7.5.0.1 - Reflected Cross-Site Scripting
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…
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Medium 5.3CVE-2025-54939 Public exploit
LiteSpeed QUIC (LSQUIC) Library before 4.3.1 has an lsquic_engine_packet_in memory leak.
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Medium 5.3
A hash collision vulnerability (in the hash table used to manage connections) in LSQUIC (aka LiteSpeed QUIC) before 4.2…
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Medium 5.5
litespeed cache <= 6.4.1 - Authenticated (Administrator+) Stored Cross-Site Scripting
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 at…
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Medium 6.1
LiteSpeed Cache <= 6.2.0.1 - Cross-Site Request Forgery to Stored Cross-Site Scripting
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 …
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Medium 6.4CVE-2023-4372 EPSS 20%
LiteSpeed Cache <= 5.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
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 sanitization and output escaping on user supplied attributes. This makes it possible …