# HeyForm vulnerabilities

Source: https://junglewise.ai/threats/technologies/heyform  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/heyform.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 6 vulnerabilities in HeyForm: 0 in the last 7 days and 2 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-102615, was published on 5 November 2026. 1 vulnerability in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 1
- Last 90 days: 2
- All time: 6 (1 critical, 0 exploited in the wild)

## About HeyForm

HeyForm is an open-source online form builder that allows users to create interactive conversational forms for surveys and quizzes.

## Latest HeyForm vulnerabilities

- [CVE-2026-102615: HeyForm stored cross-site scripting in file upload](https://junglewise.ai/threats/cve-2026-102615-heyform-is-an-open-source-form-builder-prior-to-3-0-1-api-upload) (high, CVSS 7.6, published 5 Nov 2026)
- [CVE-2026-82291: HeyForm CORS misconfiguration with credential handling](https://junglewise.ai/threats/cve-2026-82291-heyform-cors-misconfiguration-with-credential-handling) (high, CVSS 8.1, published 28 Aug 2026)
- [CVE-2026-63429: HeyForm missing authentication in file upload API](https://junglewise.ai/threats/cve-2026-63429-heyform-missing-authentication-in-file-upload-api) (high, CVSS 8.6, published 20 Jul 2026)
- [CVE-2026-63428: HeyForm improper input validation in hiddenFields submission](https://junglewise.ai/threats/cve-2026-63428-heyform-improper-input-validation-in-hiddenfields-submission) (medium, CVSS 5.8, published 20 Jul 2026)
- [CVE-2026-45797: HeyForm unauthenticated stored XSS via SVG file upload](https://junglewise.ai/threats/cve-2026-45797-heyform-unauthenticated-stored-xss-via-svg-file-upload) (info, CVSS 6.4, published 20 Jul 2026)
- [CVE-2026-35198: HeyForm stored XSS in form builder field titles](https://junglewise.ai/threats/cve-2026-35198-heyform-stored-xss-in-form-builder-field-titles) (critical, CVSS 9, published 20 Jul 2026)

## Most severe HeyForm vulnerabilities

- [CVE-2026-35198: HeyForm stored XSS in form builder field titles](https://junglewise.ai/threats/cve-2026-35198-heyform-stored-xss-in-form-builder-field-titles) (critical, CVSS 9, published 20 Jul 2026)
- [CVE-2026-63429: HeyForm missing authentication in file upload API](https://junglewise.ai/threats/cve-2026-63429-heyform-missing-authentication-in-file-upload-api) (high, CVSS 8.6, published 20 Jul 2026)
- [CVE-2026-82291: HeyForm CORS misconfiguration with credential handling](https://junglewise.ai/threats/cve-2026-82291-heyform-cors-misconfiguration-with-credential-handling) (high, CVSS 8.1, published 28 Aug 2026)
- [CVE-2026-102615: HeyForm stored cross-site scripting in file upload](https://junglewise.ai/threats/cve-2026-102615-heyform-is-an-open-source-form-builder-prior-to-3-0-1-api-upload) (high, CVSS 7.6, published 5 Nov 2026)
- [CVE-2026-63428: HeyForm improper input validation in hiddenFields submission](https://junglewise.ai/threats/cve-2026-63428-heyform-improper-input-validation-in-hiddenfields-submission) (medium, CVSS 5.8, published 20 Jul 2026)
- [CVE-2026-45797: HeyForm unauthenticated stored XSS via SVG file upload](https://junglewise.ai/threats/cve-2026-45797-heyform-unauthenticated-stored-xss-via-svg-file-upload) (info, CVSS 6.4, published 20 Jul 2026)

## Vulnerabilities per week

1 vulnerability in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 1 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 1 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "HeyForm vulnerabilities", https://junglewise.ai/threats/technologies/heyform, 13 November 2026.