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Vulnerability Details : CVE-2021-29447

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

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

Probability of exploitation activity in the next 30 days: 0.77%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 79 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-29447

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
4.0
 MEDIUM AV:N/AC:L/Au:S/C:P/I:N/A:N
8.0
2.9
 [email protected]
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
 [email protected]
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
 [email protected]

CWE ids for CVE-2021-29447

References for CVE-2021-29447

Products affected by CVE-2021-29447

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