CVE-2025-5539: Simplify Contact Management: WP Easy Contact <= 4.0.0 - Authenticated (Contributor+) Stored Cross-Site Scripting

Vulnerability summary

CVE-2025-5539 is a medium (CVSS 6.4) Cross-site Scripting vulnerability in emarket-design simple contact form plugin for wordpress – wp easy contact. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.2% of scored vulnerabilities. Fixed in 4.0.1.

Timeline

1. 04-06-2025
   PublishedVulnerability first disclosed.
2. 08-04-2026
   Last modifiedVulnerability information updated.

Description

The Simple Contact Form Plugin for WordPress – WP Easy Contact plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'emd_mb_meta' shortcode in all versions up to, and including, 4.0.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.