CVE-2026-28076
Published: 05 March 2026
Summary
CVE-2026-28076 is a high-severity Missing Authorization (CWE-862) vulnerability. Its CVSS base score is 7.5 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 15.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 AC-3 (Access Enforcement) and CM-6 (Configuration Settings).
Deeper analysis
CVE-2026-28076 is a missing authorization vulnerability, mapped to CWE-862, in the Frenify Guff WordPress theme. The flaw allows exploitation of incorrectly configured access control security levels and affects all versions of Guff from n/a through 1.0.1. Published on 2026-03-05, it carries a CVSS v3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N), indicating high severity primarily due to confidentiality impact.
Unauthenticated attackers can exploit this vulnerability over the network with low complexity and no user interaction required. Successful exploitation grants access to sensitive data without affecting integrity or availability, enabling remote information disclosure.
The Patchstack advisory provides further details on this WordPress theme vulnerability, available at https://patchstack.com/database/Wordpress/Theme/guff/vulnerability/wordpress-guff-theme-1-0-1-broken-access-control-vulnerability?_s_id=cve.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-9734
Vulnerability details
Missing Authorization vulnerability in Frenify Guff guff allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Guff: from n/a through <= 1.0.1.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Missing authorization (CWE-862) in public-facing WordPress theme directly enables remote unauthenticated exploitation of a web application for initial access and sensitive data disclosure.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Enforces approved authorizations for logical access to information and system resources, directly mitigating the missing authorization that allows unauthenticated remote disclosure of sensitive data.
Establishes secure configuration settings for access controls, addressing the exploitation of incorrectly configured access control security levels in the Guff theme.
Employs least privilege to restrict access to only necessary functions, limiting the scope of damage from broken authorization in the vulnerable WordPress theme.