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CVE-2021-29447

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CVE-2021-29447

Published: Apr 15, 2021

Modified: Aug 3, 2024

PUBLISHED

CVSS v3.1

7.1

HIGH

Description

Wordpress is an open source CMS. 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. Access to internal files is possible in a successful XXE attack. This has been patched in WordPress version 5.7.1, along with the older affected versions via a minor release. We strongly recommend you keep auto-updates enabled.

VendorProductVersions

WordPress

wordpress-develop

affected
>= 5.6.0, < 5.7.1

Weaknesses (CWE)

CWE-611

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

References

DSA-4896
vendor-advisory
x_refsource_DEBIAN

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