WP Security CheckVulnerability data as of October 22, 2026

Known vulnerabilities in Asset CleanUp: Page Speed Booster

Make your website load FASTER by stopping specific styles (.CSS) & scripts (.JS) from loading. It works best with a page caching plugin / service.

10Reported vulnerabilities
7.2Highest CVSS score
1.4.0.4Latest version
100,000+Active installs

What to do now

Update Asset CleanUp: Page Speed Booster to 1.4.0.6 or later. 10 of these have a fixed version available. Updating resolves them.

Plugin last updated: May 6, 2026 / Tested up to WordPress: 6.9.7 / 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-2021-24983 Medium 6.1 0.8% Before 1.3.8.5 1.3.8.5 February 1, 2022
CVE-2021-24937 Medium 6.1 0.8% Before 1.3.8.5 1.3.8.5 February 1, 2022
CVE-2026-13354 High 7.2 0.2% 0 to 1.4.0.5 (inclusive) 1.4.0.6 September 19, 2026
WF-dfd638bb-ae0b-403d-8d34-c4b62a749d7f Medium 6.1 — Before 1.3.6.7 1.3.6.7 April 20, 2015
CVE-2026-12037 Medium 5.5 0.3% 0 to 1.4.0.5 (inclusive) 1.4.0.6 September 25, 2026
CVE-2024-53738 Medium 5.5 0.3% 1.3.9.8 and earlier 1.3.9.9 November 27, 2024
CVE-2026-45212 Medium 5.3 0.4% 1.4.0.3 and earlier 1.4.0.4 March 7, 2026
CVE-2021-36899 Medium 4.8 0.6% Before 1.3.8.5 1.3.8.5 October 11, 2022
CVE-2026-66571 Medium 4.3 0.1% 1.4.0.5 and earlier 1.4.0.6 September 17, 2026
CVE-2024-43314 Medium 4.3 0.4% 1.3.9.3 and earlier 1.3.9.4 August 16, 2024

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