{"id":"CVE-2026-19859","title":"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…","summary":"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…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-74"],"published":"2026-09-06","updated":"2026-09-08","sourceUpdated":"2026-09-08T19:09:21.310","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-19859","references":[{"url":"https://wpscan.com/vulnerability/19c115a5-4280-4b78-a460-140ecfc78d4f/","label":"contact@wpscan.com"}],"tags":["nvd"],"epss":0.00199,"epssPercentile":0.09963,"ingestedAt":"2026-09-06T19:59:41.964Z","slug":"CVE-2026-19859","body":"## Overview\n\nThe 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}