CVE-2021-29450

Name: CVE-2021-29450
Creator: NVD / NIST
Published: 2021-04-15T22:15:12.343+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 2.33%

Last modified Jun 17, 2026

CVE-2021-29450 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Wordpress is an open source CMS. One of the blocks in the WordPress editor can be exploited in a way that exposes password-protected posts and pages. EPSS estimates a 2.33% chance of exploitation in the next 30 days.

Description

Wordpress is an open source CMS. One of the blocks in the WordPress editor can be exploited in a way that exposes password-protected posts and pages. This requires at least contributor privileges. This has been patched in WordPress 5.7.1, along with the older affected versions via minor releases. It's strongly recommended that you keep auto-updates enabled to receive the fix.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

2.33%

81.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Wordpress	Wordpress	>= 4.7, < 5.7.1
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-pmmh-2f36-wvhqThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/04/msg00017.htmlMailing List, Third Party Advisory
https://wordpress.org/news/category/security/Vendor Advisory
https://www.debian.org/security/2021/dsa-4896Third Party Advisory
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-pmmh-2f36-wvhqThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/04/msg00017.htmlMailing List, Third Party Advisory
https://wordpress.org/news/category/security/Vendor Advisory
https://www.debian.org/security/2021/dsa-4896Third Party Advisory

Timeline

Published: Apr 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-29450?

How severe is CVE-2021-29450?

CVE-2021-29450 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 2.33% probability of exploitation in the next 30 days.

How do I fix CVE-2021-29450?

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-2021-29450?

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

Scan your code now

Source: NVD / NIST