CVE-2022-21663: WordPress is a free and open-source content management system written in PHP and paired with a MariaDB database. On a multisite, users with Super Admin role…

PriorityP344high7.2CVSS 3.1

AVNACLPRHUINSUCHIHAH

EPSS

3.69%

88.3th percentile

WordPress is a free and open-source content management system written in PHP and paired with a MariaDB database. On a multisite, users with Super Admin role can bypass explicit/additional hardening under certain conditions through object injection. This has been patched in WordPress version 5.8.3. Older affected versions are also fixed via security release, that go back till 3.7.37. We strongly recommend that you keep auto-updates enabled. There are no known workarounds for this issue.

Affected

12 ranges

Vendor	Product	Version range	Fixed in
debian	debian_linux	—	—
debian	debian_linux	—	—
debian	debian_linux	—	—
debian	wordpress	< wordpress 5.8.3+dfsg1-1 (bookworm)	wordpress 5.8.3+dfsg1-1 (bookworm)
fedoraproject	fedora	—	—
fedoraproject	fedora	—	—
wordpress	wordpress	< 5.8.3	5.8.3
wordpress	wordpress	>= 0 < 5.7.5+dfsg1-0+deb11u1	5.7.5+dfsg1-0+deb11u1
wordpress	wordpress	>= 0 < 5.8.3+dfsg1-1	5.8.3+dfsg1-1
wordpress	wordpress	>= 0 < 5.8.3+dfsg1-1	5.8.3+dfsg1-1
wordpress	wordpress	>= 0 < 5.8.3+dfsg1-1	5.8.3+dfsg1-1
wordpress	wordpress-develop	< 5.8.3	5.8.3

CVSS provenance

nvdv3.17.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

nvdv2.06.5MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

osv7.2HIGH

vendor_debian6.6MEDIUM

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.