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CVE-2021-39353

HIGH 8.8 CVSS 3.1
Published
November 19, 2021
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-352
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

The Easy Registration Forms WordPress plugin is vulnerable to Cross-Site Request Forgery due to missing nonce validation via the ajax_add_form function found in the ~/includes/class-form.php file which made it possible for attackers to inject arbitrary web scripts in versions up to, and including 2.1.1.

Affected WordPress components

  • easy-registration-forms Plugin · easy-registration-forms
    Confirmed match Homeless
    From 2.1.1 (including) to 2.1.1 (including)
    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

  • Easy Registration Forms Easy Registration Forms — From 2.1.1 (including) to 2.1.1 (including)
  • easyregistrationforms easy_registration_forms — Up to and including 2.1.1

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/easy-registration-forms/tags/2.1.1/includes/class-form.php#L256 Third Party Advisory
  • www.wordfence.com https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39353 Third Party Advisory
  • nvd.nist.gov Official NVD record