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CVE-2026-2707

MEDIUM 6.4 CVSS 3.1
Published
March 11, 2026
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Description

The weForms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the REST API entry submission endpoint in all versions up to, and including, 1.6.27. This is due to inconsistent input sanitization between the frontend AJAX handler and the REST API endpoint. When entries are submitted via the REST API (`/wp-json/weforms/v1/forms/{id}/entries/`), the `prepare_entry()` method in `class-abstract-fields.php` receives the WP_REST_Request object as `$args`, bypassing the `weforms_clean()` fallback that sanitizes `$_POST` data for frontend submissions. The base field handler only applies `trim()` to the value. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts into form entry hidden field values via the REST API that execute when an administrator views the form entries page, where data is rendered using a Vue.js `v-html` directive without escaping.

Affected WordPress components

  • weForms – Easy Drag & Drop Contact Form Builder For WordPress Plugin · weforms
    Confirmed match Active
    Up to and including 1.6.27
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • boldgrid weForms – Easy Drag & Drop Contact Form Builder For WordPress — Up to and including 1.6.27

References

  • github.com https://github.com/BoldGrid/weforms/pull/263
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/weforms/tags/1.6.27/assets/js-templates/spa-components.php#L80
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/weforms/tags/1.6.27/includes/fields/class-abstract-fields.php#L542
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/weforms/trunk/assets/js-templates/spa-components.php#L80
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/weforms/trunk/includes/fields/class-abstract-fields.php#L542
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3475812%40weforms%2Ftrunk&old=3457241%40weforms%2Ftrunk&sfp_email=&sfph_mail=
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/e97854ca-b24f-4893-862d-f8e975752175?source=cve
  • nvd.nist.gov Official NVD record