Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wordpress | Wordpress | < 5.5.2 |
| Debian | Debian Linux | 9.0 |
| Canonical | Ubuntu Linux | 16.04 |
References
- https://github.com/WordPress/wordpress-develop/commit/d5ddd6d4be1bc9fd16b7796842PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00004.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-releRelease NotesVendor Advisory
- https://wpscan.com/vulnerability/10452Third Party Advisory
- https://www.debian.org/security/2020/dsa-4784Third Party Advisory
- https://github.com/WordPress/wordpress-develop/commit/d5ddd6d4be1bc9fd16b7796842PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00004.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-releRelease NotesVendor Advisory
- https://wpscan.com/vulnerability/10452Third Party Advisory
FAQ
What is CVE-2020-28039?
CVE-2020-28039 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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.
How severe is CVE-2020-28039?
CVE-2020-28039 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2020-28039?
Check the references section above for vendor advisories and patch information. Affected products include: Wordpress Wordpress, Debian Debian Linux, Canonical Ubuntu Linux.