CVE-2026-11898
MediumCVSS 4.4Exploitation Probability (EPSS)
Low risk16th percentile - higher than 16% of all known CVEs
Summary
The White Label CMS plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to and including 2.7.12 due to insufficient input sanitization and output escaping. This allows authenticated attackers with administrator-level permissions to inject arbitrary web scripts that execute when a user accesses an injected page.
Risk Assessment
An authenticated attacker with administrator privileges can inject arbitrary scripts that execute on every access to the compromised page. The risk primarily affects multi-site installations and those where unfiltered_html has been disabled.
Recommendation
Immediately update the White Label CMS plugin to the latest available version. For multi-site installations, consider additional restrictions on administrator permissions.
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Original NVD description (English source)
The White Label CMS plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 2.7.12 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS