Known vulnerabilities in Speed Booster Pack ⚡ PageSpeed Optimization Suite

PageSpeed optimization is vital for SEO: A faster website equals better conversions. Optimize your Core Web Vitals metrics (CLS, LCP, TBT) today!

2Reported vulnerabilities

7.2Highest CVSS score

4.5.9.1Latest version

9,000+Active installs

What to do now

Update Speed Booster Pack ⚡ PageSpeed Optimization Suite to 4.3.3.1 or later. 2 of these have a fixed version available. Updating resolves them.

Plugin last updated: May 8, 2026 / Tested up to WordPress: 6.8.8 / 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.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2021-24430	High 7.2	1.7%	Before 4.2.0	`4.2.0`	August 2, 2021
CVE-2021-25023	High 7.2	1.1%	Before 4.3.3.1	`4.3.3.1`	January 3, 2022

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