CVE-2026-84817
Received Received - Intake

Unauthenticated XSS in JetFormBuilder

Publication date: 2026-09-08

Last updated on: 2026-09-08

Assigner: Patchstack

Description
Unauthenticated Cross Site Scripting (XSS) in JetFormBuilder <= 3.6.5.1 versions.

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Meta Information

Published
2026-09-08
Last Modified
2026-09-08
Generated
2026-09-08
AI Q&A
2026-09-08
EPSS Evaluated
N/A
NVD
CVE-2026-84817
EUVD
EUVD-2026-72646

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
jetformbuilder jetformbuilder to 3.6.5.1 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

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Executive Summary

This is an Unauthenticated Cross Site Scripting (XSS) vulnerability affecting JetFormBuilder plugin versions up to and including 3.6.5.1. XSS allows attackers to inject malicious scripts into web pages viewed by other users without needing authentication.

Impact Analysis

An attacker could exploit this to steal user sessions, redirect users to malicious sites, or perform actions on their behalf. Users with admin privileges could have their accounts compromised, leading to full site takeover.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive user data, violating GDPR's data protection requirements and HIPAA's patient privacy rules. Organizations may face fines or legal consequences for failing to protect user data.

Mitigation Strategies

Update JetFormBuilder to the latest version beyond 3.6.5.1 to patch the XSS vulnerability. If immediate update is not possible, consider disabling the plugin temporarily or restricting access to untrusted users.

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