Medium severity6.5NVD Advisory· Published Sep 6, 2026· Updated Sep 6, 2026
CVE-2026-19859
CVE-2026-19859
Description
The JetFormBuilder WordPress plugin before 3.6.5.2 does not sanitize a request parameter before rendering it as message content, allowing unauthenticated users to execute arbitrary shortcodes registered on the site on any page displaying a form. Escaping is applied to that content before a later shortcode-expansion pass rather than after it, so the escaping can be bypassed.
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Affected products
1- Range: <3.6.5.2
Patches
Vulnerability mechanics
References
1News mentions
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