CVE-2021-42749

Name: CVE-2021-42749
Creator: NVD / NIST
Published: 2022-01-10T14:10:24.003+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.07%

Last modified Jun 17, 2026

CVE-2021-42749 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. In Beaver Themer, attackers can bypass conditional logic controls (for hiding content) when viewing the post archives. Exploitation requires that a Themer layout is applied to the archives, and that the post excerpt field is not set.. EPSS estimates a 1.07% chance of exploitation in the next 30 days.

Description

In Beaver Themer, attackers can bypass conditional logic controls (for hiding content) when viewing the post archives. Exploitation requires that a Themer layout is applied to the archives, and that the post excerpt field is not set.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

1.07%

60.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-668

Affected Software

Vendor	Product	Versions
Fastlinemedia	Beaver Themer	All versions

References

https://docs.wpbeaverbuilder.com/beaver-builder/developer/conditionally-hidden-content/Patch, Vendor Advisory
https://tekfused.com/tek/vulnerability-research/beaver-builder-vulnerabilities-visibility-conditional-logic-cve/Exploit, Third Party Advisory
https://docs.wpbeaverbuilder.com/beaver-builder/developer/conditionally-hidden-content/Patch, Vendor Advisory
https://tekfused.com/tek/vulnerability-research/beaver-builder-vulnerabilities-visibility-conditional-logic-cve/Exploit, Third Party Advisory

Timeline

Published: Jan 10, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-42749?

How severe is CVE-2021-42749?

CVE-2021-42749 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.07% probability of exploitation in the next 30 days.

How do I fix CVE-2021-42749?

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-2021-42749?

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

Scan your code now

Source: NVD / NIST