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CVE-2026-15782

MEDIUM 4.9 CVSS 3.1
Published
July 21, 2026
Last modified
July 21, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N

Description

The WPForms – AI Form Builder for WordPress – Contact Forms, Payment Forms, Survey Form, Quiz & More plugin for WordPress is vulnerable to Stored Cross-Site Scripting via OptinMonster Integration data-sitekey Attribute in Post Content in all versions up to, and including, 2.0.0.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires the OptinMonster plugin to be installed and configured with an active inline campaign that outputs matching #om-{id} markup on the target page, as the WPForms handler only fires when OptinMonster emits its 'om.Campaign.load' event.

Affected WordPress components

  • WPForms – AI Form Builder for WordPress – Contact Forms, Payment Forms, Survey Form, Quiz & More Plugin · wpforms-lite
    Confirmed match Active
    Up to and including 2.0.0.1
    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

  • smub WPForms – AI Form Builder for WordPress – Contact Forms, Payment Forms, Survey Form, Quiz & More — Up to and including 2.0.0.1

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wpforms-lite/tags/1.10.0.4/assets/js/frontend/wpforms.min.js#L5
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wpforms-lite/tags/1.10.2.1/assets/js/frontend/wpforms.min.js#L5
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3610719/wpforms-lite/trunk/assets/js/frontend/wpforms.min.js?old=3586095&old_path=wpforms-lite%2Ftrunk%2Fassets%2Fjs%2Ffrontend%2Fwpforms.min.js
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/6d5264a1-dabf-4630-9871-ab6e14817768?source=cve
  • nvd.nist.gov Official NVD record