Unrated severityNVD Advisory· Published Jun 12, 2020· Updated Aug 4, 2024
set-screen-option filter misuse by plugins leading to privilege escalation in WordPress
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).
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- Range: <5.4.2, <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
- osv-coords2 versions
>= 3.7.0, < 3.7.34+ 1 more
- (no CPE)range: >= 3.7.0, < 3.7.34
- (no CPE)range: >= 3.7.0, < 3.7.34
- Range: >= 5.4.0, < 5.4.2
Patches
Vulnerability mechanics
References
8- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/773N2ZV7QEMBGKH6FBKI6Q5S3YJMW357/mitrevendor-advisoryx_refsource_FEDORA
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ODNHXVJS25YVWYQHOCICXTLIN5UYJFDN/mitrevendor-advisoryx_refsource_FEDORA
- www.debian.org/security/2020/dsa-4709mitrevendor-advisoryx_refsource_DEBIAN
- github.com/WordPress/wordpress-develop/commit/b8dea76b495f0072523106c6ec46b9ea0d2a0920mitrex_refsource_MISC
- github.com/WordPress/wordpress-develop/security/advisories/GHSA-4vpv-fgg2-gcqcmitrex_refsource_CONFIRM
- lists.debian.org/debian-lts-announce/2020/07/msg00000.htmlmitremailing-listx_refsource_MLIST
- lists.debian.org/debian-lts-announce/2020/09/msg00011.htmlmitremailing-listx_refsource_MLIST
- wordpress.org/news/2020/06/wordpress-5-4-2-security-and-maintenance-release/mitrex_refsource_MISC
News mentions
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