Unauthenticated Cross Site Scripting Vulnerability in JetFormBuilder by WordPress
CVE-2026-84817

7.1HIGH

Key Information:

Vendor

WordPress
Status
Jetformbuilder
Vendor
CVE Published:
8 September 2026

What is CVE-2026-84817?

An unauthenticated Cross Site Scripting (XSS) vulnerability exists in JetFormBuilder versions up to 3.6.5.1, allowing attackers to inject malicious scripts into web pages viewed by users. This security flaw presents a significant risk, as it can be exploited to execute arbitrary JavaScript in the context of the user's session, potentially leading to data theft or unwanted actions on the site.

Affected Version(s)

JetFormBuilder <= 3.6.5.1

References

https://patchstack.com/database/wordpress/plugin/jetformb...
vdb-entry

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Anthony Green of Greenhat Security | Patchstack Bug Bounty Program
.