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THREAT OPS › Threat News › [NVD] CVE-2026-19859 (MEDIUM 6.5) — 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 conten

[NVD] CVE-2026-19859 (MEDIUM 6.5) — 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 conten

mednvdPublished 2026-09-06

CVE-2026-19859 CVSS: 6.5 MEDIUM Published: 2026-09-06T10:17:13.577

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 tha

Indicators of compromise

CVE-2026-19859cve
3.6.5.2ipv4

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-19859