What is the CVSS score of CVE-2026-1189?

CVE-2026-1189 has a CVSS 3.1 base score of 6.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of WordPress are affected by CVE-2026-1189?

Organizations using all should be aware of moderate risk from CVE-2026-1189, a cross-site scripting vulnerability rated CVSS 6.4.

How to fix or mitigate CVE-2026-1189?

Within 30 days: Identify affected systems running all and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

WordPress CVE-2026-1189

MEDIUM

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

2026-01-24 security@wordfence.com

WordPress XSS

6.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.4 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:59 vuln.today

CVE Published

Jan 24, 2026 - 09:15 nvd

MEDIUM 6.4

DescriptionCVE.org

The LeadBI Plugin for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'form_id' parameter of the 'leadbi_form' shortcode in all versions up to, and including, 1.7 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.

AnalysisAI

Stored XSS in WordPress LeadBI Plugin versions through 1.7 allows authenticated contributors and above to inject malicious scripts through the 'form_id' shortcode parameter due to missing input sanitization, enabling attackers to execute arbitrary code in pages viewed by other users. The vulnerability requires user authentication and currently lacks a vendor patch.

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects LeadBI (WordPress plugin). The LeadBI Plugin for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'form_id' parameter of the 'leadbi_form' shortcode in all versions up to, and including, 1.7 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.

Affected ProductsAI

Vendor: WordPress. Product: LeadBI (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.