CVE-2026-4078

The ITERAS plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple shortcodes (iteras-ordering, iteras-signup, iteras-paywall-login, iteras-selfservice) in all versions up to and including 1.8.2. This is due to insufficient input sanitization and output escaping in the combine_attributes() function. The function directly concatenates shortcode attribute values into JavaScript code within <script> tags using double-quoted string interpolation (line 489: '"'.$key.'": "'.$value.'"') without any escaping. An attacker can break out of the JavaScript string context by including a double-quote character in a shortcode attribute value and inject arbitrary JavaScript. 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.

• CWE-79

• https://plugins.trac.wordpress.org/browser/iteras/tags/1.8.2/public/iteras-public.php#L489
• https://plugins.trac.wordpress.org/browser/iteras/tags/1.8.2/public/iteras-public.php#L511
• https://plugins.trac.wordpress.org/browser/iteras/tags/1.8.2/public/iteras-public.php#L519
• https://plugins.trac.wordpress.org/browser/iteras/tags/1.8.2/public/iteras-public.php#L527
• https://plugins.trac.wordpress.org/browser/iteras/tags/1.8.2/public/iteras-public.php#L551
• https://plugins.trac.wordpress.org/browser/iteras/tags/1.8.2/public/iteras-public.php#L561
• https://plugins.trac.wordpress.org/browser/iteras/trunk/public/iteras-public.php#L489
• https://plugins.trac.wordpress.org/browser/iteras/trunk/public/iteras-public.php#L511
• https://plugins.trac.wordpress.org/browser/iteras/trunk/public/iteras-public.php#L519
• https://plugins.trac.wordpress.org/browser/iteras/trunk/public/iteras-public.php#L527
• https://plugins.trac.wordpress.org/browser/iteras/trunk/public/iteras-public.php#L551
• https://plugins.trac.wordpress.org/browser/iteras/trunk/public/iteras-public.php#L561
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3507724%40iteras&new=3507724%40iteras&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/bd034f43-370c-4ad9-ad02-4cae0f48d781?source=cve

Published

Apr 24, 2026

Last Modified

Jun 17, 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.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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