CVE-2021-39203

NameCVE-2021-39203
DescriptionWordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. In affected versions authenticated users who don't have permission to view private post types/data can bypass restrictions in the block editor under certain conditions. This affected WordPress 5.8 beta during the testing period. It's fixed in the final 5.8 release.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
wordpress (PTS)jessie, jessie (lts)4.1.35+dfsg-0+deb8u1fixed
stretch (security), stretch (lts), stretch4.7.23+dfsg-0+deb9u1fixed
buster (security), buster, buster (lts)5.0.21+dfsg1-0+deb10u1fixed
bullseye (security), bullseye5.7.11+dfsg1-0+deb11u1fixed
bookworm (security), bookworm6.1.6+dfsg1-0+deb12u1fixed
sid, trixie6.6.1+dfsg1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
wordpresssource(unstable)(not affected)

Notes

- wordpress <not-affected> (Only affects 5.8 beta 1; vulnerable code introduced later)
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-qxvw-qxm9-qvg6

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