Stored Cross-Site Scripting Vulnerability in MW WP Form Plugin by WordPress
CVE-2026-78364

3.5LOW

Key Information:

Vendor

WordPress
Status
Mw WP Form
Vendor
CVE Published:
30 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-78364?

The MW WP Form plugin for WordPress prior to version 5.1.6 is susceptible to a Stored Cross-Site Scripting (XSS) vulnerability due to insufficient sanitization and escaping of its form settings. This loophole allows users with Editor permissions to potentially execute malicious scripts in the context of high-privilege users, such as administrators, through the admin dashboard. Proper updates are essential to mitigate this risk and safeguard user data.

Affected Version(s)

MW WP Form 0 < 5.1.6

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-2026-78364 - Proof of Concept

References

https://wpscan.com/vulnerability/285b87e1-110f-4192-a098-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
3.5
Severity:
LOW
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Sai Praneeth Koti
WPScan
.