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.

• CWE-79

• https://plugins.trac.wordpress.org/browser/cost-calculator/tags/2.3.1/em-cost-calc-admin-page.php#L59
• https://plugins.trac.wordpress.org/browser/cost-calculator/tags/2.3.1/em-cost-calculator-widget.php#L655
• https://plugins.trac.wordpress.org/browser/cost-calculator/tags/2.3.1/em-cost-calculator-widget.php#L682
• https://plugins.trac.wordpress.org/browser/cost-calculator/tags/2.3.1/em-cost-calculator-widget.php#L701
• https://www.wordfence.com/threat-intel/vulnerabilities/id/1eef338a-ccc7-41a2-b87a-0945e39380d2?source=cve

Published

Feb 26, 2026

Last Modified

Jun 17, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2026-25054n8n is an open source workflow automation platform. Prior to…5.4
• CVE-2026-25055n8n is an open source workflow automation platform. Prior to…8.1
• CVE-2026-25056n8n is an open source workflow automation platform. Prior to…8.8
• CVE-2026-25057MarkUs is a web application for the submission and grading o…9.1
• CVE-2026-25058Vexa is an open-source, self-hostable meeting bot API and me…7.5
• CVE-2026-25059OpenList Frontend is a UI component for OpenList. Prior to 4…8.8
• CVE-2026-25060OpenList Frontend is a UI component for OpenList. Prior to 4…8.1
• CVE-2026-25061tcpflow is a TCP/IP packet demultiplexer. In versions up to …7.5
• CVE-2026-25062Outline is a service that allows for collaborative documenta…5.5
• CVE-2026-25063gradle-completion provides Bash and Zsh completion support f…7.8
• CVE-2026-25067SmarterTools SmarterMail versions prior to build 9518 conta…5.3
• CVE-2026-25068alsa-lib versions 1.2.2 up to and including 1.2.15.2, prior …4.6