CVE-2020-11026

NameCVE-2020-11026
DescriptionIn affected versions of WordPress, files with a specially crafted name when uploaded to the Media section can lead to script execution upon accessing the file. This requires an authenticated user with privileges to upload files. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33).
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-2208-1, DSA-4677-1
NVD severitylow
Debian Bugs959391

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
wordpress (PTS)stretch (security), stretch4.7.5+dfsg-2+deb9u6fixed
buster, buster (security)5.0.10+dfsg1-0+deb10u1fixed
bullseye, sid5.4.2+dfsg1-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
wordpresssourcejessie4.1.30+dfsg-0+deb8u1DLA-2208-1
wordpresssourcestretch4.7.5+dfsg-2+deb9u6DSA-4677-1
wordpresssourcebuster5.0.4+dfsg1-1+deb10u2DSA-4677-1
wordpresssource(unstable)5.4.1+dfsg1-1959391

Notes

https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-3gw2-4656-pfr2
https://wordpress.org/support/wordpress-version/version-5-4-1/#security-updates
https://core.trac.wordpress.org/changeset/47638
https://github.com/WordPress/wordpress-develop/commit/74d6f9613b96a2948f7675513b8b7f8224bfc386 (master)

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