What is CVE-2021-39201?

CVE-2021-39201 is a high-severity vulnerability in Wordpress Wordpress-develop, classified under Cross-site Scripting. CVSS score: 7.6/10. Published 2021-09-09.

How severe is CVE-2021-39201?

High severity. CVSS v3 base score is 7.6 out of 10.

Is CVE-2021-39201 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Wordpress Wordpress-develop

CVE-2021-39201

WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. ### Impact The issue allows an authenticated but low-privileged user (like contributor/author) to execute XSS in the…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (66.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N.

Affected products

Wordpress Wordpress-develop — versions >= 5.0, < 5.8.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

hackerone.com/reports/1142140 (x_refsource_MISC)
github.com/WordPress/wordpress-develop/security/advisories/GHSA-wh69-25hr-h94v (x_refsource_CONFIRM)
DSA-4985 (vendor-advisory, x_refsource_DEBIAN)

Frequently asked questions

What is CVE-2021-39201?: CVE-2021-39201 is a high-severity vulnerability in Wordpress Wordpress-develop, classified under Cross-site Scripting. CVSS score: 7.6/10. Published 2021-09-09.
How severe is CVE-2021-39201?: High severity. CVSS v3 base score is 7.6 out of 10.
Is CVE-2021-39201 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.