CiviCRM < 5.28.1 - Cross-Site Request Forgery to Cross-Site Scripting

6.1
Cross-Site Request Forgery (CSRF)
CVE CVE-2020-36389
CVSS 6.1 (Medium)
Publicly Published June 22, 2021
Last Updated December 5, 2022
Researcher Dennis Brinkrolf (sonarsource)

Description

The CiviCRM plugin for WordPress is vulnerable to Stored Cross-Site Scripting via improper CSRF checks in the CKEditor Configuration Form in versions up to, and including, 5.28.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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Vulnerability Details for CiviCRM for WordPress

Software Type Plugin
Software Slug civicrm
Patched? Yes
Remediation Update to version 5.28.1, or a newer patched version
Affected Version
  • <= 5.28.0
Patched Version
  • 5.28.1

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