CWE
79
Advisory Published
Updated

CVE-2021-24241: XSS

First published: Thu Apr 22 2021(Updated: )

The Advanced Custom Fields Pro WordPress plugin before 5.9.1 did not properly escape the generated update URL when outputting it in an attribute, leading to a reflected Cross-Site Scripting issue in the update settings page.

Credit: contact@wpscan.com

Affected SoftwareAffected VersionHow to fix
Advanced Custom Fields<5.9.1

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Frequently Asked Questions

  • What is CVE-2021-24241?

    CVE-2021-24241 is a vulnerability in the Advanced Custom Fields Pro WordPress plugin before version 5.9.1 that allows a reflected Cross-Site Scripting issue in the update settings page.

  • What is the severity of CVE-2021-24241?

    The severity of CVE-2021-24241 is medium, with a severity score of 6.1.

  • How does CVE-2021-24241 affect the Advanced Custom Fields Pro plugin?

    CVE-2021-24241 affects the Advanced Custom Fields Pro plugin version up to 5.9.1.

  • How can I fix the CVE-2021-24241 vulnerability?

    To fix the CVE-2021-24241 vulnerability, upgrade the Advanced Custom Fields Pro plugin to version 5.9.1 or newer.

  • Where can I find more information about CVE-2021-24241?

    More information about CVE-2021-24241 can be found at the following references: [Link 1](https://github.com/jdordonezn/Reflected-XSS-in-WordPress-for-ACF-PRO-before-5.9.1-plugin/issues/1), [Link 2](https://wpscan.com/vulnerability/d1e9c995-37bd-4952-b88e-945e02e3c83f), [Link 3](https://www.advancedcustomfields.com/blog/acf-5-9-1-release/).

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