VI: Include Post By, CVE-2026-5717

CVE, Research URL: CVE-2026-5717
Home page URL: Security reports for VI: Include Post By
Application: VI: Include Post By
Published on: Apr 15, 2026
Research Description: The VI: Include Post By plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'class_container' attribute of the 'include-post-by-cat' shortcode in all versions up to, and including, 0.4.200706 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 versions: max 0.4.200706.
Status: vulnerable