What is CVE-2026-2506?

CVE-2026-2506 is a medium-severity vulnerability in Motahar1 Em Cost Calculator, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-02-26.

How severe is CVE-2026-2506?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Motahar1 Em Cost Calculator

CVE-2026-2506

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (12.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Motahar1 Em Cost Calculator — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-2506?: CVE-2026-2506 is a medium-severity vulnerability in Motahar1 Em Cost Calculator, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-02-26.
How severe is CVE-2026-2506?: Medium severity. CVSS v3 base score is 6.1 out of 10.