CVE-2022-21662
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network with a low-privilege account, but needs a user to act. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 64.5% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 64.5% in the next 30 days (EPSS).
- Severity: 8.0 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 64.5% · EPSS, next 30 days
- Weakness
- CWE-79 · Cross-site scripting
- Record status
- Modified
Affected
- WordPress < 5.8.3
- Debian Linux 9.0
- Debian Linux 10.0
- Debian Linux 11.0
Attack profile CVSS 3.1 · 8.0
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2022-21662.md and follow it. Check whether this project is affected by CVE-2022-21662. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-699q-3hj9-889w
- https://wordpress.org/news/2022/01/wordpress-5-8-3-security-release/
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-699q-3hj9-889w
- https://wordpress.org/news/2022/01/wordpress-5-8-3-security-release/
References
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-699q-3hj9-889w
- https://lists.debian.org/debian-lts-announce/2022/01/msg00019.html
- 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://wordpress.org/news/2022/01/wordpress-5-8-3-security-release/
- https://www.debian.org/security/2022/dsa-5039
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-699q-3hj9-889w
- https://lists.debian.org/debian-lts-announce/2022/01/msg00019.html
- 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://wordpress.org/news/2022/01/wordpress-5-8-3-security-release/
- https://www.debian.org/security/2022/dsa-5039