What is the CVSS score of CVE-2026-2506?

CVE-2026-2506 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.1%.

Which versions of WordPress are affected by CVE-2026-2506?

Organizations using for WordPress is vulnerable to Stored Cross-Site Scripting in should be aware of moderate risk from CVE-2026-2506, a cross-site scripting vulnerability rated CVSS 6.1.

How to fix or mitigate CVE-2026-2506?

Within 30 days: Identify affected systems running for WordPress is vulnerable to Stored Cross-Site Scripting i and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

WordPress CVE-2026-2506

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2026-02-26 security@wordfence.com

WordPress XSS

6.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.1 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

CVE Published

Feb 26, 2026 - 02:16 nvd

MEDIUM 6.1

DescriptionCVE.org

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.

AnalysisAI

Stored cross-site scripting in the EM Cost Calculator WordPress plugin up to version 2.3.1 allows unauthenticated attackers to inject malicious scripts through the customer name field, which execute when administrators access the customer list. An attacker can exploit this to steal admin credentials or perform unauthorized actions within the WordPress environment. No patch is currently available for this vulnerability.

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects EM Cost Calculator (WordPress plugin). 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.

Affected ProductsAI

Vendor: WordPress. Product: EM Cost Calculator (WordPress plugin).

RemediationAI

Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.