CVE-2022-21662

Stored XSS in WordPress

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.

Category

8.0
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 23.28% Top 5%
Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory wordpress.org
Affected: WordPress wordpress-develop
Published at:
Updated at:

References

Link Tags
https://wordpress.org/news/2022/01/wordpress-5-8-3-security-release/ release notes vendor advisory
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-699q-3hj9-889w third party advisory
https://www.debian.org/security/2022/dsa-5039 third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DM6XPH3JN6V4NF4WBOJTOXZIVE6VKKE3/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CV4UNEC63UU5GEU47IIR4RMTZAHNEOJG/ vendor advisory
https://lists.debian.org/debian-lts-announce/2022/01/msg00019.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2022-21662?
CVE-2022-21662 has been scored as a high severity vulnerability.
How to fix CVE-2022-21662?
To fix CVE-2022-21662, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-21662 being actively exploited in the wild?
It is possible that CVE-2022-21662 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~23% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-21662?
CVE-2022-21662 affects WordPress wordpress-develop.
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