CVE-2019-17673

NameCVE-2019-17673
DescriptionWordPress before 5.2.4 is vulnerable to poisoning of the cache of JSON GET requests because certain requests lack a Vary: Origin header.
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)
NVD severitymedium
Debian Bugs942459

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
wordpress (PTS)jessie4.1+dfsg-1+deb8u17fixed
jessie (security)4.1.28+dfsg-0+deb8u1fixed
stretch (security), stretch4.7.5+dfsg-2+deb9u5vulnerable
buster5.0.4+dfsg1-1vulnerable
bullseye, sid5.2.4+dfsg1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
wordpresssource(unstable)5.2.4+dfsg1-1942459
wordpresssourcejessie(not affected)

Notes

[jessie] - wordpress <not-affected> (vulnerable code not present)
https://blog.wpscan.org/wordpress/security/release/2019/10/15/wordpress-524-security-release-breakdown.html
https://core.trac.wordpress.org/changeset/46478
https://github.com/WordPress/WordPress/commit/b224c251adfa16a5f84074a3c0886270c9df38de
https://wordpress.org/news/2019/10/wordpress-5-2-4-security-release/

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