CVE-2020-4050

Description

In affected versions of WordPress, misuse of the `set-screen-option` filter's return value allows arbitrary user meta fields to be saved. It does require an admin to install a plugin that would misuse the filter. Once installed, it can be leveraged by low privileged users. This has been patched in version 5.4.2, along with all the previously affected versions via a minor release (5.3.4, 5.2.7, 5.1.6, 5.0.10, 4.9.15, 4.8.14, 4.7.18, 4.6.19, 4.5.22, 4.4.23, 4.3.24, 4.2.28, 4.1.31, 4.0.31, 3.9.32, 3.8.34, 3.7.34).

References

https://www.debian.org/security/2020/dsa-4709

https://wordpress.org/news/2020/06/wordpress-5-4-2-security-and-maintenance-release/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ODNHXVJS25YVWYQHOCICXTLIN5UYJFDN/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/773N2ZV7QEMBGKH6FBKI6Q5S3YJMW357/

https://lists.debian.org/debian-lts-announce/2020/09/msg00011.html

https://lists.debian.org/debian-lts-announce/2020/07/msg00000.html

https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-4vpv-fgg2-gcqc

https://github.com/WordPress/wordpress-develop/commit/b8dea76b495f0072523106c6ec46b9ea0d2a0920

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3