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.
Published 2021-04-15 21:15:18
Updated 2022-10-27 23:06:11
Source GitHub, Inc.
View at NVD,   CVE.org
Vulnerability category: XML external entity (XXE) injection

Threat overview for CVE-2021-29447

Top countries where our scanners detected CVE-2021-29447
Top open port discovered on systems with this issue 80
IPs affected by CVE-2021-29447 7
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2021-29447!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2021-29447

1.06%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 84 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-29447

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.0
MEDIUM AV:N/AC:L/Au:S/C:P/I:N/A:N
8.0
2.9
NIST
6.5
MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
2.8
3.6
NIST
7.1
HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
2.8
4.2
GitHub, Inc.

CWE ids for CVE-2021-29447

  • The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
    Assigned by:
    • nvd@nist.gov (Secondary)
    • security-advisories@github.com (Primary)

References for CVE-2021-29447

Products affected by CVE-2021-29447

This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!