is_protected_meta in wp-includes/meta.php in WordPress before 5.5.2 allows arbitrary file deletion because it does not properly determine…

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.

Scores

EPSS (exploitation in 30 days)

4.1% · top 9.2% of all CVEs (6 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.1.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (8)

• https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/ (opens in a new tab)x_refsource_MISCx_transferred
• https://wpscan.com/vulnerability/10452 (opens in a new tab)x_refsource_MISCx_transferred
• https://github.com/WordPress/wordpress-develop/commit/d5ddd6d4be1bc9fd16b7796842e6fb26315705ad (opens in a new tab)x_refsource_MISCx_transferred
• [debian-lts-announce] 20201103 [SECURITY] [DLA 2429-1] wordpress security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• DSA-4784 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• FEDORA-2020-15e15c35da (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• FEDORA-2020-a764b11b52 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• FEDORA-2020-b386fac43a (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2020-28039](https://trackcve.app/badge/CVE-2020-28039.svg)](https://trackcve.app/cve/CVE-2020-28039)

Record last updated 4 Aug 2024, 16:33 UTC.