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.

9.1

CVSS

Severity: Critical

CVSS 3.1 •

CVSS 2.0 •

EPSS 6.00% Top 10%

Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory wordpress.org

Affected: n/a n/a

References

Link	Tags
https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/	release notes vendor advisory
https://wpscan.com/vulnerability/10452	third party advisory
https://github.com/WordPress/wordpress-develop/commit/d5ddd6d4be1bc9fd16b7796842e6fb26315705ad	third party advisory patch
https://lists.debian.org/debian-lts-announce/2020/11/msg00004.html	third party advisory mailing list
https://www.debian.org/security/2020/dsa-4784	third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VAVVYJKA2I6CRQUINECDPBGWMQDEG244/	vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUXVUAKL2HL4QYJEPHBNVQQWRMFMII2Y/	vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHHVNK2WYAM3ZTCXTFSEIT56IKLVJHU3/	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-28039?: CVE-2020-28039 has been scored as a critical severity vulnerability.
How to fix CVE-2020-28039?: To fix CVE-2020-28039, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-28039 being actively exploited in the wild?: It is possible that CVE-2020-28039 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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