WP Vulnerability WatchVulnerability data as of September 7, 2026

Known vulnerabilities in LiteSpeed Cache

All-in-one unbeatable acceleration & PageSpeed improvement: caching, image/CSS/JS optimization...

21Reported vulnerabilities
9.8Highest CVSS score
7.9Latest version
7,000,000+Active installs

What to do now

Update LiteSpeed Cache to 7.8 or later. 21 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 5, 2026 / Tested up to WordPress: 7.0.4 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVESeverityExploit probability
next 30 days		 Affected versionsFixed inPublished
CVE-2024-44000 High 7.5 82.3% 6.4.1 and earlier 6.5.0.1 September 5, 2024
CVE-2024-28000 Critical 9.8 68.3% 6.3.0.1 and earlier 6.4 August 21, 2024
CVE-2023-40000 High 7.2 54.9% 5.7 and earlier 5.7.0.1 February 27, 2024
CVE-2023-4372 Medium 5.4 18.8% 5.6 and earlier 5.7 January 11, 2024
CVE-2021-24964 Medium 6.1 1.2% Before 4.4.4 4.4.4 January 3, 2022
CVE-2021-24963 Medium 4.8 0.7% Before 4.4.4 4.4.4 January 3, 2022
CVE-2024-50550 High 8.1 0.9% 6.5.1 and earlier 6.5.2 October 29, 2024
CVE-2024-47374 High 7.2 1.4% 6.5.0.2 and earlier 6.5.1 September 30, 2024
CVE-2026-18978 High 7.2 0.3% 0 to 7.8.1 (inclusive) 7.9 August 28, 2026
CVE-2026-3375 High 7.2 0.4% 0 to 7.7 (inclusive) 7.8 May 27, 2026
CVE-2026-3129 Medium 6.4 0.2% 0 to 7.7 (inclusive) 7.8 August 28, 2026
CVE-2024-51915 Medium 6.4 0.2% 6.5.2 and earlier 6.5.3 December 20, 2024
CVE-2024-47373 Medium 6.4 0.2% 6.5.0.2 and earlier 6.5.1 September 30, 2024
CVE-2020-29172 Medium 6.1 0.9% Before 3.6.1 3.6.1 December 26, 2020
CVE-2025-12450 Medium 6.1 0.4% 7.5.0.1 and earlier 7.6 October 28, 2025
CVE-2025-47437 Medium 5.5 0.3% 7.0.1 and earlier 7.1 May 7, 2025
CVE-2024-3246 Medium 5.4 0.2% Before 6.3 6.3 July 24, 2024
CVE-2023-45000 Medium 5.3 0.4% 5.7 and earlier 5.7.0.1 February 27, 2024
CVE-2024-9169 Medium 4.8 0.3% Before 6.5 6.5 September 25, 2024
CVE-2024-47637 Medium 4.3 0.6% 6.4.1 and earlier 6.5.1 September 30, 2024
CVE-2022-46800 Medium 4.3 0.3% 5.3 and earlier 5.3.1 March 22, 2023

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.