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Vulnerability · Published Oct 31, 2020 · Assigned by mitre

CVE-2020-28039

Critical 9.1

In plain English

A critical-severity security flaw in the wordpress package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.1% (higher than 91% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)9.1Critical
Exploit odds (30 days)4.1%top 9.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12wordpress5.5.3+dfsg1-1DEBIAN-CVE-2020-28039
Debian:13wordpress5.5.3+dfsg1-1DEBIAN-CVE-2020-28039
Debian:14wordpress5.5.3+dfsg1-1DEBIAN-CVE-2020-28039
Ubuntu:22.04:LTSwordpressno fix listedUBUNTU-CVE-2020-28039
Ubuntu:24.04:LTSwordpressno fix listedUBUNTU-CVE-2020-28039
Ubuntu:25.10wordpressno fix listedUBUNTU-CVE-2020-28039
Ubuntu:26.04:LTSwordpressno fix listedUBUNTU-CVE-2020-28039
Ubuntu:26.10wordpressno fix listedUBUNTU-CVE-2020-28039

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References