XSS in Wordpress
CVE-2022-21662
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, w…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.637 (99.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H.
Affected products
- Wordpress
- Wordpress Wordpress-develop — versions < 5.8.3
- Debian Debian_linux — versions 9.0, 10.0, 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_MISC, Release Notes, Vendor Advisory)
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
- security-advisories@github.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security-advisories@github.com (x_refsource_FEDORA, vendor-advisory)
- security-advisories@github.com (x_refsource_FEDORA, vendor-advisory)
- security-advisories@github.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-21662?
- CVE-2022-21662 is a high-severity vulnerability in Wordpress, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2022-01-06.
- How severe is CVE-2022-21662?
- High severity. CVSS v3 base score is 8.0 out of 10.
- Is CVE-2022-21662 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.