EM Cost Calculator <= 2.3.1 - Unauthenticated Stored Cross-Site Scripting via 'customer_name'

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2026-2506
CVSS Medium (6.1)
Publicly Published February 25, 2026
Last Updated February 26, 2026
Researcher Nabil Irawan
Description

The EM Cost Calculator plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.3.1. This is due to the plugin storing attacker-controlled 'customer_name' data and rendering it in the admin customer list without output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts that execute when an administrator views the EMCC Customers page.

References

1 affected software package

Software Type Plugin
Software Slug cost-calculator (view on wordpress.org)
Patched? No
Affected Version
  • <= 2.3.1
Patched Version
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