Stored Cross-Site Scripting in Contact Form to Email by DWBooster
CVE-2021-47926

5.1MEDIUM

Key Information:

Vendor

WordPress
Status
Contact Form To Email
Vendor
CVE Published:
10 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47926?

Contact Form to Email version 1.3.24 contains a stored XSS vulnerability that permits authenticated attackers to inject harmful JavaScript code into the form name field. When other logged-in users visit the form management page, the malicious scripts execute, potentially leading to session hijacking and credential theft. This vulnerability emphasizes the need for proper input validation and sanitization in web applications to prevent unauthorized script executions.

Affected Version(s)

Contact Form to Email 1.3.24

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-47926 - Proof of Concept

References

https://www.exploit-db.com/exploits/50524
exploit
https://form2email.dwbooster.com/
product
https://www.vulncheck.com/advisories/wordpress-contact-fo...
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mohammed Aadhil Ashfaq
.