Skip to main content

JetFormBuilder CVE-2026-19858

| EUVDEUVD-2026-71846 HIGH
Information Exposure (CWE-200)
2026-09-05 WPScan GHSA-j6jp-8fp4-2rqv
7.5
CVSS 3.1 · Vendor: WPScan
Share

Severity by source

Vendor (WPScan) PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
vuln.today AI
7.5 HIGH

Network-accessible page rendering requires no auth or interaction; C:H reflects password hash and private content disclosure; no integrity or availability impact applies.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (WPScan).

CVSS VectorVendor: WPScan

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

6
POC Analysis Generated
Sep 06, 2026 - 15:25 vuln.today
Analysis Generated
Sep 06, 2026 - 11:23 vuln.today
CVSS changed
Sep 06, 2026 - 11:22 NVD
7.5 (HIGH)
Patch available
Sep 05, 2026 - 08:01 EUVD
CVE Published
Sep 05, 2026 - 06:00 cve.org
HIGH 7.5
CVE Published
Sep 05, 2026 - 06:00 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

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.

AnalysisAI

JetFormBuilder - Dynamic Blocks Form Builder for WordPress before version 3.6.5.2 exposes sensitive site data to unauthenticated remote attackers due to missing authorization checks during page rendering. By submitting crafted requests that reference internal WordPress data sources, attackers can read arbitrary user properties including password hashes, private and draft post content, term metadata, and secrets stored by the plugin in post metadata fields. …

Unlock full vulnerability intelligence

  • Risk assessment & exploitation conditions
  • Attack chain visualization
  • Remediation with exact patch versions
  • Threat intelligence from 22 sources
  • Personal watchlist & email alerts

Free forever · No credit card required

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Impact
technique details hidden

Vulnerability AssessmentAI

Exploitation The target WordPress site must have JetFormBuilder - Dynamic Blocks Form Builder installed, active, and at a version below 3.6.5.2, with at least one publicly accessible page containing a JetFormBuilder form block. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 7.5 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) is well-calibrated: exploitation requires no authentication or user interaction, and the confidentiality impact is high because the leaked data includes password hashes suitable for offline cracking. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Update JetFormBuilder - Dynamic Blocks Form Builder to version 3.6.5.2 or later immediately; this is a vendor-released patch confirmed by the WPScan advisory (https://wpscan.com/vulnerability/a9d091f3-6887-4f26-a736-ba26a81d2b32/). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, audit all WordPress installations to identify those running JetFormBuilder versions prior to 3.6.5.2 and prepare for immediate patching. …

Sign in for detailed remediation steps and compensating controls.

Threat intelligence, references, and detailed analysis are available after sign-in.

Share

CVE-2026-19858 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy