Live › vulnerability › CVE-2026-109989
Go to dashboardThe Themify Popup WordPress plugin up to and including 1.4.7 does not sanitize the 'popup_width_unit' parameter. An author-level user can store script that runs in the browser of any visitor who opens a page carrying the injected popup.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.
Sites running the Themify Popup plugin at version 1.4.7 or earlier where author-level or higher accounts can edit content. Sites without the plugin, or where only trusted administrators publish content, face much lower risk. unknown whether managed hosting changes exposure.
No product ranges from the sources yet.
wp plugin get themify-popup --field=version (plugin slug unknown from sources; confirm the slug).popup_width_unit values containing script tags.1.4.7 (exact fixed version unknown from sources).Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
The Themify Popup plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'popup_width_unit' parameter in all versions up to, and including, 1.4.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
This page as .md · .json · in your agent: get_signal("CVE-2026-109989")
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