QID 154095

Date Published: 2021-11-30

QID 154095: WordPress XXE Attack due to XML Parsing Issue in Media Library

WordPress is an open-source blogging tool and content management system based on PHP and MySQL. It has many features including a plug-in architecture and a template system.

A user with the ability to upload files (like an Author) can exploit an XML parsing issue in the Media Library leading to XXE attacks. This requires WordPress installation to be using PHP 8.

Affected Versions:
WordPress 5.6 to 5.7

Access to internal files is possible in a successful XXE attack.

CVSS V3 rated as High - 6.5 severity.

CVSS V2 rated as Medium - 4 severity.

Solution

Customers are advised to upgrade to a fixed version WordPress 5.7.1 or later versions to remediate this vulnerability.

Vendor References

WordPress - wordpress.org/news/2021/04/wordpress-5-7-1-security-and-maintenance-release/

CVEs related to QID 154095

CVE-2021-29447 |

Software Advisories

Advisory ID	Software	Component	Link
WordPress			wordpress.org/download/releases/

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