Medium severity · published Jan 10, 2022
CVE-2021-42748
In Beaver Builder through 2.5.0.3, attackers can bypass the visibility controls protection mechanism via the REST API
5.3
CVSS
1%
EPSS
No
On KEV
Description
In Beaver Builder through 2.5.0.3, attackers can bypass the visibility controls protection mechanism via the REST API.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BB
Beaver Builder · Fastlinemedia
before 2.5.1; before 2.5.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-42748
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-42748
Patch
https://docs.wpbeaverbuilder.com/beaver-builder/developer/conditionally-hidden-content/
Exploit
https://tekfused.com/tek/vulnerability-research/beaver-builder-vulnerabilities-visibility-conditional-logic-cve/
More from Beaver Builder
9.8
CVE-2022-36425
Broken Access Control vulnerability in Beaver Builder plugin <= 2.5.4.3 at WordPress
7.2
CVE-2025-4102
Beaver Builder Plugin (Starter Version) <= 2.9.1 - Authenticated (Administrator+) Arbitrary File Upload
6.1
CVE-2025-8897
Beaver Builder Plugin (Lite Version) <= 2.9.2.1 - Reflected Cross-Site Scripting
6.1
CVE-2024-43926
WordPress Beaver Builder plugin <= 2.8.3.2 - Reflected Cross Site Scripting (XSS) vulnerability
6.1
CVE-2024-1038
Beaver Builder – WordPress Page Builder <= 2.7.4.2 - Reflected (DOM-Based) Cross-Site Scripting