What’s Vulnerable › Vulnerabilities

CVE-2021-24430: Speed Booster Pack 4.2.0-beta - Authenticated (admin+) RCE

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-08-02 · updated 2026-06-17
• Weakness: CWE-94

Description

The Speed Booster Pack ⚡ PageSpeed Optimization Suite WordPress plugin before 4.2.0 did not validate its caching_exclude_urls and caching_include_query_strings settings before outputting them in a PHP file, which could lead to RCE

Affected products

• Speed Booster Pack ⚡ PageSpeed Optimization Suite: before 4.2.0 — fixed in 4.2.0

How to fix

Upgrade to a fixed version: Speed Booster Pack ⚡ PageSpeed Optimization Suite 4.2.0. Check the vendor advisory for mitigations.

References

• https://m0ze.ru/vulnerability/%5B2021-05-10%5D-%5BWordPress%5D-%5BCWE-94%5D-Speed-Booster-Pack-WordPress-Plugin-v4.2.0-beta.txt
• https://wpscan.com/vulnerability/945d6d2e-fa25-42c0-a7b4-b1794732a0df
• https://m0ze.ru/vulnerability/%5B2021-05-10%5D-%5BWordPress%5D-%5BCWE-94%5D-Speed-Booster-Pack-WordPress-Plugin-v4.2.0-beta.txt
• https://wpscan.com/vulnerability/945d6d2e-fa25-42c0-a7b4-b1794732a0df

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