PT-2021-22559 · WordPress · Easy Registration Forms

Published 2021-11-19 · Updated 2021-11-24 · CVE-2021-39353

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Easy Registration Forms WordPress plugin versions up to, and including 2.1.1

Description: The issue is related to Cross-Site Request Forgery due to missing nonce validation via the ajax add form function found in the ~/includes/class-form.php file. This made it possible for attackers to inject arbitrary web scripts.

Recommendations: For versions up to, and including 2.1.1, update to a version that includes the fix for the missing nonce validation in the ajax add form function. As a temporary workaround, consider disabling the ajax add form function until a patch is available.

Fix

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2021-39353

Affected Products

Easy Registration Forms

References · 5

• https://osv.dev/vulnerability/CVE-2021-39353 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39353 · Security Note
• https://wordfence.com/vulnerability-advisories/#CVE-2021-39353 · Note
• https://t.me/cibsecurity/32698 · Telegram Post
• https://plugins.trac.wordpress.org/browser/easy-registration-forms/tags/2.1.1/includes/class-form.php#L256 · Note