CVE-2026-19858highCWE-200

CVE-2026-19858: high-severity vulnerability in JetFormBuilder — Dynamic Blocks Form Builder

JetFormBuilder < 3.6.5.2 - Unauthenticated Password Hash and Arbitrary Metadata Disclosure via Dynamic Preset

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41Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 7.5epss 0.4%
The JetFormBuilder — Dynamic Blocks Form Builder WordPress plugin before 3.6.5.2 does not perform authorisation checks when resolving request-derived data during page rendering, allowing unauthenticated users to read arbitrary user, post and term properties and metadata, including password hashes, private and draft content, and secrets other JetFormBuilder — Dynamic Blocks Form Builder WordPress plugin before 3.6.5.2 store in metadata.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products
Unknown · JetFormBuilder — Dynamic Blocks Form Builder
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — JetFormBuilder — Dynamic Blocks Form Builder

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CVE-2026-19860MEDIUMJetFormBuilder 3.5.6.2 - 3.6.5.2 - Admin+ Arbitrary File Deletion via Server-Side Validation CallbackEPSS 0.4%CVE-2026-19861MEDIUMJetFormBuilder < 3.6.5.2 - Unauthenticated Stored XSS via WYSIWYG Field in Notification EmailsEPSS 0.2%