CVE-2020-11030

Name: CVE-2020-11030
Creator: NVD / NIST
Published: 2020-04-30T23:15:11.823+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.44%

Last modified Jun 17, 2026

CVE-2020-11030 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. In affected versions of WordPress, a special payload can be crafted that can lead to scripts getting executed within the search block of the block editor. This requires an authenticated user with the ability to add content. EPSS estimates a 1.44% chance of exploitation in the next 30 days.

Description

In affected versions of WordPress, a special payload can be crafted that can lead to scripts getting executed within the search block of the block editor. This requires an authenticated user with the ability to add content. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33).

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

1.44%

69.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Wordpress	Wordpress	< 5.4.1
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-vccm-6gmc-qhjhThird Party Advisory
https://wordpress.org/support/wordpress-version/version-5-4-1/#security-updatesRelease Notes, Vendor Advisory
https://www.debian.org/security/2020/dsa-4677Third Party Advisory
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-vccm-6gmc-qhjhThird Party Advisory
https://wordpress.org/support/wordpress-version/version-5-4-1/#security-updatesRelease Notes, Vendor Advisory
https://www.debian.org/security/2020/dsa-4677Third Party Advisory

Timeline

Published: Apr 30, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-11030?

How severe is CVE-2020-11030?

CVE-2020-11030 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.44% probability of exploitation in the next 30 days.

How do I fix CVE-2020-11030?

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-2020-11030?

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

Scan your code now

Source: NVD / NIST