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Fusion Builder EUVD-2026-12001

| CVE-2026-32451 MEDIUM
Missing Authorization (CWE-862)
2026-03-13 Patchstack
6.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

5
CVSS changed
Apr 29, 2026 - 10:22 NVD
6.3 (MEDIUM) 6.5 (MEDIUM)
Patch available
Apr 16, 2026 - 05:29 EUVD
3.15.0
EUVD ID Assigned
Mar 13, 2026 - 16:57 euvd
EUVD-2026-12001
Analysis Generated
Mar 13, 2026 - 16:57 vuln.today
CVE Published
Mar 13, 2026 - 11:42 nvd
MEDIUM 6.3

DescriptionCVE.org

Missing Authorization vulnerability in ThemeFusion Fusion Builder fusion-builder allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Fusion Builder: from n/a through < 3.15.0.

AnalysisAI

Fusion Builder, a WordPress plugin by ThemeFusion, contains a missing authorization vulnerability (CWE-862) that allows authenticated attackers with low privileges to bypass access controls and perform unauthorized actions. Versions prior to 3.15.0 are affected, and attackers can exploit incorrectly configured access control to read, modify, or delete sensitive data. …

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Vulnerability AssessmentAI

Risk Assessment The CVSS 6.3 score indicates moderate severity with a network attack vector, low attack complexity, and a requirement for low privileges (authenticated user). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker with a low-privilege WordPress account (such as a subscriber or contributor with plugin access) can directly call a Fusion Builder REST endpoint or AJAX action without proper authorization checks. By crafting a request to modify page builder elements, site settings, or content on pages they should not have access to, the attacker reads sensitive configuration data (GDPR-regulated information stored in post meta) and modifies high-traffic pages to inject malicious content or SEO spam. …
Remediation Immediately upgrade Fusion Builder to version 3.15.0 or later, which patches the authorization vulnerability. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …

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EUVD-2026-12001 vulnerability details – vuln.today

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