CVE-2021-38345 - CVE House
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Status published High CVE-2021-38345

Brizy <= 1.0.125 and 1.0.127 – 2.3.11 Incorrect authorization checks allowing Post modification

Vulnerability Description

The Brizy Page Builder plugin <= 2.3.11 for WordPress used an incorrect authorization check that allowed any logged-in user accessing any endpoint in the wp-admin directory to modify the content of any existing post or page created with the Brizy editor. An identical issue was found by another researcher in Brizy <= 1.0.125 and fixed in version 1.0.126, but the vulnerability was reintroduced in version 1.0.127.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Ramuel Gall, Wordfence

References

More from Brizy.io

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CVE-2023-51396
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CVE-2021-38346
Brizy <= 2.3.11 Authenticated Unrestricted File Upload and Path Traversal
High 8.8
CVE-2021-38344
Brizy <= 2.3.11 Authenticated Stored Cross-Site Scripting
Medium 6.4

Affected Vendor

Affected Software

Brizy - Page Builder
Vulnerable Versions:
2.3.11, 1.0.127, 1.0.125

Timeline

Official Publish: October 14th, 2021
Last Modified: February 14th, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

Weaknesses (CWE)

CWE-79

MITRE ATT&CK TTPs

T1189 Drive-by Compromise
Initial Access
T1059.007 JavaScript
Execution
T1539 Steal Web Session Cookie
Collection
T1213 Data from Information Repositories
Collection
T1567 Exfiltration Over Web Service
Exfiltration
T1491.001 Defacement
Impact