Critical severity9.1NVD Advisory· Published Nov 2, 2020· Updated Jun 17, 2026
CVE-2020-28039
CVE-2020-28039
Description
is_protected_meta in wp-includes/meta.php in WordPress before 5.5.2 allows arbitrary file deletion because it does not properly determine whether a meta key is considered protected.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
10cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*range: <5.5.2
- (no CPE)range: <5.5.2
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*+ 2 more
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
- WordPress/WordPressdescription
- osv-coords2 versions
< 5.5.2+ 1 more
- (no CPE)range: < 5.5.2
- (no CPE)range: < 5.5.2
Patches
Vulnerability mechanics
References
8- github.com/WordPress/wordpress-develop/commit/d5ddd6d4be1bc9fd16b7796842e6fb26315705adnvdPatchThird Party Advisory
- lists.debian.org/debian-lts-announce/2020/11/msg00004.htmlnvdMailing ListThird Party Advisory
- wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/nvdRelease NotesVendor Advisory
- wpscan.com/vulnerability/10452nvdThird Party Advisory
- www.debian.org/security/2020/dsa-4784nvdThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHHVNK2WYAM3ZTCXTFSEIT56IKLVJHU3/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VAVVYJKA2I6CRQUINECDPBGWMQDEG244/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUXVUAKL2HL4QYJEPHBNVQQWRMFMII2Y/nvd
News mentions
0No linked articles in our index yet.