Software intelligence
Important: Litespeed Cache appearing in this catalog does not mean your website is affected. Exposure depends on your installed version. How SiteRespond intelligence works
Tracked advisories
21
Latest advisory
27 August 2026
CISA KEV matches
0
In this WordPress feed
WordPress slug
litespeed-cache
Plugin
This catalog lists 21 known advisories affecting Litespeed Cache. The most recent was published on 27 August 2026. If you use this software, compare your installed version against the affected ranges on each advisory and update to a fixed release outside those ranges. SiteRespond Defence checks your actual installed version when the plugin is connected — listing here does not by itself mean your site is vulnerable.
LiteSpeed Cache <= 7.8.1 - Unauthenticated Stored Cross-Site Scripting via Comment Content
May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Published 27 August 2026
LiteSpeed Cache <= 7.7 - Authenticated (Author+) Stored Cross-Site Scripting via img Tag Attributes
May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Published 27 August 2026
LiteSpeed Cache <= 7.7 - Unauthenticated Stored Cross-Site Scripting via QUIC.cloud CCSS/UCSS REST API Endpoints
May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Published 26 May 2026
Known Litespeed Cache advisories published by month.
CVE-2023-40000 · Published 27 February 2024
Affected versions: ≤ 5.7
CVE-2023-4372 · Published 23 October 2023
Affected versions: ≤ 5.6
CVE-2022-46800 · Published 22 March 2023
Affected versions: ≤ 5.3
CVE-2021-24963 · Published 30 November 2021
Affected versions: ≥ 1.0.15 and ≤ 4.4.3
CVE-2021-24964 · Published 30 November 2021
Affected versions: ≥ 1.0.15 and ≤ 4.4.3
CVE-2020-29172 · Published 26 December 2020
Affected versions: ≤ 3.6
SiteRespond Defence matches your installed Litespeed Cache version against this catalog when the Defence plugin is connected to your WordPress site.