CVE-2026-103996

The If-So Dynamic Content – Elementor & All Page Builders Personalization plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'url' parameter in all versions up to, and including, 1.10.2 due to insufficient input sanitization and output escaping. 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. The injected script executes specifically in the administrator's browser session, as the vulnerable branch only renders when an administrator previews or opens the post containing the crafted shortcode.

• CWE-79

• https://plugins.trac.wordpress.org/browser/if-so/tags/1.10.2/extensions/ifso-extended-shortcodes/extended-shortcodes.php#L455
• https://plugins.trac.wordpress.org/browser/if-so/tags/1.10.2/extensions/ifso-extended-shortcodes/extended-shortcodes.php#L469
• https://plugins.trac.wordpress.org/changeset?reponame=&old=3748902%40if-so&new=3748902%40if-so
• https://www.wordfence.com/threat-intel/vulnerabilities/id/177aca03-683b-48e1-911f-c966b171626b?source=cve

Published

Oct 28, 2026

Last Modified

Oct 28, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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