CVE-2022-21662
HIGH severity · CVSS 8 · Cross-site scripting (XSS)
8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredLow
User interactionRequired
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)14%
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://wordpress.org/news/2022/01/wordpress-5-8-3-security-release/Advisory
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-699q-3hj9-889wAdvisory
- https://lists.debian.org/debian-lts-announce/2022/01/msg00019.htmlAdvisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4UNEC63UU5GEU47IIR4RMTZAHNEOJG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DM6XPH3JN6V4NF4WBOJTOXZIVE6VKKE3/
- https://www.debian.org/security/2022/dsa-5039Advisory
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-699q-3hj9-889wAdvisory
- https://lists.debian.org/debian-lts-announce/2022/01/msg00019.htmlAdvisory