CVE-2026-35198

Description

HeyForm is an open-source form builder. Prior to version 3.0.0-rc.7, a stored cross-site scripting (XSS) vulnerability in the form builder allows a low-privileged team member to inject malicious JavaScript that executes when a team owner views the form, leading to complete account takeover through privilege escalation. Version 3.0.0-rc.7 contains a patch for the issue.

CVSS Vector

References

• https://github.com/heyform/heyform/commit/cc97d27a57ae400fec23abf5dcf6f9533c3b5db3
• https://github.com/heyform/heyform/security/advisories/GHSA-chmm-jqpm-3pwx
• https://github.com/heyform/heyform/security/advisories/GHSA-chmm-jqpm-3pwx