PLUGIN SECURITY
Is LiteSpeed Cache safe?
All-in-one unbeatable acceleration & PageSpeed improvement: caching, image/CSS/JS optimization...
What this plugin does
- Slug:
litespeed-cache - Author: LiteSpeed Technologies
- 7000000+ active installs
- 96/100 rating (2764 reviews on wordpress.org)
- 135676098 all-time downloads
- On WordPress.org since 2016-01-29
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Maintenance status
- Latest known version: 7.9
- Last updated: 2026-08-05 9:15pm GMT
- Tested up to WordPress: 7.0.4
- Requires PHP: 7.4+
- Max supported PHP (analyzed): 8.4
Known vulnerabilities
21 known CVEs on file for LiteSpeed Cache. Reported between 2020 and 2026.
| CVE | Vulnerability | Type | Severity | Affected | Fixed in | Published | Status |
|---|---|---|---|---|---|---|---|
| CVE-2026-3129 | LiteSpeed Cache [litespeed-cache] < 7.8 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 6.4 | < 7.8 | 7.8 | 2026-08-27 | ✓ fixed in latest |
| CVE-2026-18978 | LiteSpeed Cache [litespeed-cache] < 7.9 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | High 7.2 | < 7.9 | 7.9 | 2026-08-27 | ✓ fixed in latest |
| CVE-2026-3375 | LiteSpeed Cache [litespeed-cache] < 7.8 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | High 7.2 | < 7.8 | 7.8 | 2026-05-26 | ✓ fixed in latest |
| CVE-2025-12450 | LiteSpeed Cache [litespeed-cache] < 7.6 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 6.1 | < 7.6 | 7.6 | 2025-10-28 | ✓ fixed in latest |
| CVE-2025-47437 | LiteSpeed Cache [litespeed-cache] < 7.1 | Server-Side Request Forgery (SSRF) | Medium 6.4 | < 7.1 | 7.1 | 2025-05-07 | ✓ fixed in latest |
| CVE-2024-51915 | LiteSpeed Cache [litespeed-cache] < 6.5.3 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 6.5 | < 6.5.3 | 6.5.3 | 2024-12-20 | ✓ fixed in latest |
| CVE-2024-50550 | LiteSpeed Cache [litespeed-cache] < 6.5.2 | Incorrect Privilege Assignment | High 8.1 | < 6.5.2 | 6.5.2 | 2024-10-29 | ✓ fixed in latest |
| CVE-2024-47637 | LiteSpeed Cache [litespeed-cache] < 6.5.1 | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | High 8.8 | < 6.5.1 | 6.5.1 | 2024-09-30 | ✓ fixed in latest |
+ 14 more known vulnerabilities
| CVE | Vulnerability | Type | Severity | Affected | Fixed in | Published | Status |
|---|---|---|---|---|---|---|---|
| CVE-2024-47374 | LiteSpeed Cache [litespeed-cache] < 6.5.1 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | High 7.1 | < 6.5.1 | 6.5.1 | 2024-09-30 | ✓ fixed in latest |
| CVE-2024-47373 | LiteSpeed Cache [litespeed-cache] < 6.5.1 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 6.5 | < 6.5.1 | 6.5.1 | 2024-09-30 | ✓ fixed in latest |
| CVE-2024-9169 | LiteSpeed Cache [litespeed-cache] < 6.5 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 4.8 | < 6.5 | 6.5 | 2024-09-24 | ✓ fixed in latest |
| CVE-2024-44000 | LiteSpeed Cache [litespeed-cache] < 6.5.0.1 | Insufficiently Protected Credentials | Critical 9.8 | < 6.5.0.1 | 6.5.0.1 | 2024-09-05 | ✓ fixed in latest |
| CVE-2024-28000 | LiteSpeed Cache [litespeed-cache] < 6.4 | Incorrect Privilege Assignment | Critical 9.8 | < 6.4 | 6.4 | 2024-08-19 | ✓ fixed in latest |
| CVE-2024-3246 | LiteSpeed Cache [litespeed-cache] < 6.3 | Cross-Site Request Forgery (CSRF) | Medium 5.4 | < 6.3 | 6.3 | 2024-07-23 | ✓ fixed in latest |
| CVE-2023-45000 | LiteSpeed Cache [litespeed-cache] < 5.7.0.1 | Missing Authorization | High 8.2 | < 5.7.0.1 | 5.7.0.1 | 2024-02-27 | ✓ fixed in latest |
| CVE-2023-40000 | LiteSpeed Cache [litespeed-cache] < 5.7.0.1 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | High 8.3 | < 5.7.0.1 | 5.7.0.1 | 2024-02-27 | ✓ fixed in latest |
| CVE-2023-4372 | LiteSpeed Cache [litespeed-cache] < 5.7 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 5.4 | < 5.7 | 5.7 | 2023-10-23 | ✓ fixed in latest |
| CVE-2022-46800 | LiteSpeed Cache [litespeed-cache] < 5.3.1 | Cross-Site Request Forgery (CSRF) | Medium 5.4 | < 5.3.1 | 5.3.1 | 2023-03-22 | ✓ fixed in latest |
| CVE-2021-24963 | LiteSpeed Cache [litespeed-cache] < 4.4.4 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 4.8 | < 4.4.4 | 4.4.4 | 2021-11-30 | ✓ fixed in latest |
| CVE-2021-24964 | LiteSpeed Cache [litespeed-cache] < 4.4.4 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 6.1 | < 4.4.4 | 4.4.4 | 2021-11-30 | ✓ fixed in latest |
| CVE-2020-29172 | LiteSpeed Cache [litespeed-cache] < 3.6.1 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 6.1 | < 3.6.1 | 3.6.1 | 2020-12-26 | ✓ fixed in latest |
| — | LiteSpeed Cache [litespeed-cache] < 3.6.1 | — | Unknown | < 3.6.1 | 3.6.1 | 2020-12-26 | ✓ fixed in latest |
How to fix it
Keep LiteSpeed Cache updated — 7.9 is the latest version on wordpress.org, and each CVE above lists the exact release that fixed it ("Fixed in").
This is the plugin's full known vulnerability history, not a scan of any specific installation — run a free scan of your own site to check your exact installed version.
Safer / more established alternatives
- WP Super Cache — 1000000+ active installs — 86/100 (1345) — max PHP 8.4
- Speed Optimizer – The All-In-One Performance-Boosting Plugin — 1000000+ active installs — 84/100 (639) — max PHP 8.4
- WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance — 1000000+ active installs — 96/100 (2605) — max PHP 8.4
- WP Fastest Cache – WordPress Cache Plugin — 1000000+ active installs — 98/100 (4223) — max PHP 8.4
- W3 Total Cache — 900000+ active installs — 88/100 (5420)
Check your own WordPress site
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