Medium severity · published Jan 6, 2022
CVE-2022-21662
WordPress is a free and open-source content management system written in PHP and paired with a MariaDB database
5.4
CVSS
64.5%
EPSS
No
On KEV
Description
WordPress is a free and open-source content management system written in PHP and paired with a MariaDB database. Low-privileged authenticated users (like author) in WordPress core are able to execute JavaScript/perform stored XSS attack, which can affect high-privileged users. 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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)64.5% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WO
WordPress · WordPress
before 5.8.3 · source: NVD
DL
Debian Linux · Debian
9.0; 10.0; 11.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-21662
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-21662
Third Party Advisory
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-699q-3hj9-889w
Mailing List
https://lists.debian.org/debian-lts-announce/2022/01/msg00019.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4UNEC63UU5GEU47IIR4RMTZAHNEOJG/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DM6XPH3JN6V4NF4WBOJTOXZIVE6VKKE3/
Release Notes
https://wordpress.org/news/2022/01/wordpress-5-8-3-security-release/
Third Party Advisory
https://www.debian.org/security/2022/dsa-5039
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