CVE-2018-20148

Name	CVE-2018-20148
Description	In WordPress before 4.9.9 and 5.x before 5.0.1, contributors could conduct PHP object injection attacks via crafted metadata in a wp.getMediaItem XMLRPC call. This is caused by mishandling of serialized data at phar:// URLs in the wp_get_attachment_thumb_file function in wp-includes/post.php.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-1673-1, DSA-4401-1
Debian Bugs	916403

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
wordpress (PTS)	bullseye (security), bullseye	5.7.11+dfsg1-0+deb11u1	fixed
	bookworm, bookworm (security)	6.1.6+dfsg1-0+deb12u1	fixed
	sid, trixie	6.6.1+dfsg1-1	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
wordpress	source	jessie	4.1.25+dfsg-1+deb8u1	DLA-1673-1
wordpress	source	stretch	4.7.5+dfsg-2+deb9u5	DSA-4401-1
wordpress	source	(unstable)	5.0.1+dfsg1-1		916403

https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/