Description

WordPress is prone to multiple vulnerabilities, including XML External Entity injection and information disclosure vulnerabilities. Exploiting these issues could allow an attacker to obtain sensitive information which could be used to launch further attacks. WordPress version 5.7 is vulnerable.

Remediation

Update to WordPress version 5.7.1 or latest

References

https://blog.sonarsource.com/wordpress-xxe-security-vulnerability/

https://github.com/motikan2010/CVE-2021-29447

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

Related Vulnerabilities

MySQL CVE-2019-2969 Vulnerability (CVE-2019-2969)

WebLogic Loop with Unreachable Exit Condition ('Infinite Loop') Vulnerability (CVE-2018-1324)

WordPress 3.9.x Prototype Pollution (3.9 - 3.9.35)

Chamilo Improper Privilege Management Vulnerability (CVE-2020-23128)

WordPress Plugin XO Security Cross-Site Scripting (1.5.2)

Severity

High

Classification

CVE-2021-29447 CVE-2021-29450 CWE-200 CWE-611 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Tags

Missing Update