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FluentForm EUVDEUVD-2026-90761

| CVE-2026-103353 MEDIUM
Incorrect Behavior Order (CWE-696)
2026-10-01 Patchstack GHSA-45w3-234x-c3pr
5.3
CVSS 3.1 · Vendor: Patchstack
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Severity by source

Vendor (Patchstack) PRIMARY
5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
vuln.today AI
5.3 MEDIUM

Unauthenticated network-reachable broken access control (PR:N/AV:N/AC:L) whose only effect is removing a client function, giving low integrity impact with no confidentiality or availability.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

2
Analysis Generated
Oct 01, 2026 - 11:40 vuln.today
CVE Published
Oct 01, 2026 - 10:48 cve.org
MEDIUM 5.3

DescriptionCVE.org

Incorrect Behavior Order vulnerability in WP ManageNinja LLC FluentForm fluentform allows Removing Important Client Functionality.This issue affects FluentForm: from n/a through 6.2.14.

AnalysisAI

FluentForm WordPress plugin versions through 6.2.14 allow a remote, unauthenticated attacker to remove or alter intended client-side form functionality due to an incorrect behavior order flaw (CWE-696). The assessed impact is limited to integrity of client-side behavior (I:L) with no data disclosure, server compromise, or availability loss, and no public exploit or active exploitation has been identified at time of analysis.

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Exploit
technique details hidden
Execution
technique details hidden
Impact
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Vulnerability AssessmentAI

Exploitation Requires a WordPress site running the FluentForm plugin at version 6.2.14 or earlier; the flaw is reachable remotely without authentication or user interaction (AV:N/PR:N/UI:N/AC:L), so no special configuration is needed beyond having the vulnerable plugin active. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Signals are modest and internally consistent. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation No vendor-released patch version is identified in the available data. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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EUVD-2026-90761 vulnerability details – vuln.today

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