CVE-2025-6039: ProcessingJS for WordPress <= 1.2.2 - Authenticated (Contributor+) Stored Cross-Site Scripting
Description
The ProcessingJS for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'pjs4wp' shortcode in all versions up to, and including, 1.2.2 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-2025-6039
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: cageehv
Product: ProcessingJS for WordPress
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.03% (probability of being exploited)
EPSS Percentile: 6.3% (scored less or equal to compared to others)
EPSS Date: 2025-07-07 (when was this score calculated)
Stakeholder-Specific Vulnerability Categorization (SSVC)
SSVC Exploitation: none
SSVC Technical Impact: partial
SSVC Automatable: false
References
https://nvd.nist.gov/vuln/detail/CVE-2025-6039https://www.wordfence.com/threat-intel/vulnerabilities/id/fcda8a7a-40e3-416e-940a-ba0245dcaa7d?source=cve
https://plugins.trac.wordpress.org/browser/processingjs-for-wp/trunk/processingjs-for-wp.php