Stored Cross-Site Scripting Vulnerability in Schema Scalpel Plugin for WordPress

CVE-2025-12118

What is CVE-2025-12118?

The Schema Scalpel plugin for WordPress is susceptible to Stored Cross-Site Scripting due to inadequate input sanitization and output escaping when incorporating user-provided data into JSON-LD schema markup. This flaw allows authenticated attackers with Contributor-level access and higher to embed malicious web scripts into pages, which are executed when any user accesses the compromised page. This vulnerability poses significant risks to site safety as it can lead to unauthorized actions or data theft.

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