CVE-2019-16223

Name: CVE-2019-16223
Creator: NVD / NIST
Published: 2019-09-11T14:15:12.18+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 5.18%

Last modified Jun 17, 2026

CVE-2019-16223 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. WordPress before 5.2.3 allows XSS in post previews by authenticated users.. EPSS estimates a 5.18% chance of exploitation in the next 30 days.

Description

WordPress before 5.2.3 allows XSS in post previews by authenticated users.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

5.18%

91.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Wordpress	Wordpress	< 5.2.3
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

http://packetstormsecurity.com/files/160745/WordPress-Core-5.2.2-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
https://lists.debian.org/debian-lts-announce/2019/10/msg00023.htmlMailing List, Third Party Advisory
https://seclists.org/bugtraq/2020/Jan/8Mailing List, Third Party Advisory
https://wordpress.org/news/2019/09/wordpress-5-2-3-security-and-maintenance-release/Release Notes, Vendor Advisory
https://wpvulndb.com/vulnerabilities/9862Third Party Advisory
https://www.debian.org/security/2020/dsa-4599Third Party Advisory
https://www.debian.org/security/2020/dsa-4677Third Party Advisory
http://packetstormsecurity.com/files/160745/WordPress-Core-5.2.2-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
https://lists.debian.org/debian-lts-announce/2019/10/msg00023.htmlMailing List, Third Party Advisory
https://seclists.org/bugtraq/2020/Jan/8Mailing List, Third Party Advisory
https://wordpress.org/news/2019/09/wordpress-5-2-3-security-and-maintenance-release/Release Notes, Vendor Advisory
https://wpvulndb.com/vulnerabilities/9862Third Party Advisory
https://www.debian.org/security/2020/dsa-4599Third Party Advisory
https://www.debian.org/security/2020/dsa-4677Third Party Advisory

Timeline

Published: Sep 11, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-16223?

WordPress before 5.2.3 allows XSS in post previews by authenticated users.

How severe is CVE-2019-16223?

CVE-2019-16223 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 5.18% probability of exploitation in the next 30 days.

How do I fix CVE-2019-16223?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-16223?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST