CVE-2025-0512: Structured Content (JSON-LD) #wpsc <= 1.6.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via sc_fs_local_business Shortcode
Description
The Structured Content (JSON-LD) #wpsc plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's sc_fs_local_business shortcode in all versions up to, and including, 6.4.5 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.
Classification
CVE ID: CVE-2025-0512
CVSS Base Severity: MEDIUM
CVSS Base Score: 6.4
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Problem Types
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Affected Products
Vendor: codemacher
Product: Structured Content (JSON-LD) #wpsc
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.03% (probability of being exploited)
EPSS Percentile: 5.8% (scored less or equal to compared to others)
EPSS Date: 2025-04-02 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2025-0512https://www.wordfence.com/threat-intel/vulnerabilities/id/8ac5fe69-7885-4fb7-8107-079216d6955e?source=cve
https://plugins.trac.wordpress.org/browser/structured-content/trunk/templates/shortcodes/local-business.php#L10
https://wordpress.org/plugins/structured-content/#developers
https://plugins.trac.wordpress.org/changeset/3248930/