CVE-2026-119054

Description

Multiple Pages Generator by Themeisle before 4.2.5 contains a stored cross-site scripting vulnerability that allows Contributor-level users to inject script via the [mpg] and [mpg_match] shortcode base-url attribute. Attackers can store entity-encoded payloads that pass kses but are decoded by html_entity_decode() and rendered unescaped through { {mpg_url} }, executing script in administrators' browsers.

References

• https://plugins.svn.wordpress.org/multiple-pages-generator-by-porthas/tags/4.2.4/controllers/display/Base_Display.php
• https://plugins.svn.wordpress.org/multiple-pages-generator-by-porthas/tags/4.2.4/controllers/display/loop/Core.php
• https://plugins.svn.wordpress.org/multiple-pages-generator-by-porthas/tags/4.2.4/models/CoreModel.php
• https://plugins.trac.wordpress.org/changeset/3742674/multiple-pages-generator-by-porthas
• https://wordpress.org/plugins/multiple-pages-generator-by-porthas/