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Forminator Plugin CVE-2026-82220

| EUVDEUVD-2026-67735 MEDIUM
Authentication Bypass by Capture-replay (CWE-294)
2026-08-28 Patchstack GHSA-mvcr-xg3m-49x2
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
6.5 MEDIUM

Adjusted C from N to L to reflect the unresolved 'Information Disclosure' tag; all other metrics align with network-accessible, unauthenticated, low-complexity replay attack.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/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
Aug 28, 2026 - 16:03 vuln.today
CVE Published
Aug 28, 2026 - 14:33 cve.org
MEDIUM 5.3

DescriptionCVE.org

Unauthenticated Other Vulnerability Type in Forminator <= 1.57.1 versions.

AnalysisAI

Capture-replay authentication bypass in the Forminator WordPress plugin (versions up to and including 1.57.1) allows unauthenticated network-accessible attackers to achieve low-level integrity impact against affected installations. Reported by Patchstack under CWE-294, the flaw enables replay of captured authentication or nonce tokens, potentially allowing unauthorized form actions or integrity-affecting operations without valid credentials. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires that the target WordPress installation has Forminator version 1.57.1 or earlier installed and has at least one active public-facing form. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS base score of 5.3 (Medium) reflects constrained real-world impact: integrity is only marginally affected (I:L), confidentiality is unaffected per the official vector (C:N), and availability is untouched. … 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 The primary remediation is to update the Forminator plugin to the latest available release via the WordPress plugin dashboard or by downloading from the official repository. … 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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CVE-2026-82220 vulnerability details – vuln.today

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