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Kali Forms CVE-2026-81276

| EUVDEUVD-2026-66953 MEDIUM
Missing Authorization (CWE-862)
2026-08-27 Patchstack GHSA-5gf4-wfg9-qcwr
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

Network-accessible unauthenticated endpoint with missing authorization yields AV:N/PR:N; impact is limited to integrity modification with no data disclosure or availability disruption confirmed.

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

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

Lifecycle Timeline

1
Analysis Generated
Aug 27, 2026 - 10:09 vuln.today

DescriptionCVE.org

Unauthenticated Broken Access Control in Kali Forms <= 2.4.23 versions.

AnalysisAI

Broken access control in the Kali Forms WordPress plugin (versions ≤ 2.4.23) exposes one or more plugin endpoints to unauthenticated remote attackers due to missing authorization checks (CWE-862). The CVSS vector AV:N/AC:L/PR:N/UI:N confirms exploitation requires no authentication and no user interaction against any internet-exposed WordPress site running an affected version. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify WordPress site with Kali Forms ≤ 2.4.23
Exploit
Send unauthenticated HTTP request to vulnerable plugin endpoint
Execution
Bypass missing authorization check
Impact
Perform unauthorized modification of form data or settings

Vulnerability AssessmentAI

Exploitation The Kali Forms plugin must be installed and active on the target WordPress site running version 2.4.23 or earlier. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 base score of 5.3 (Medium) is driven by the highly accessible attack surface (AV:N/AC:L/PR:N/UI:N) offset by the narrow impact (I:L only, C:N, A:N, S:U). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An unauthenticated attacker sends a crafted HTTP POST request to a WordPress AJAX endpoint (wp-admin/admin-ajax.php or a REST route) exposed by the Kali Forms plugin, specifying an action or route that lacks capability verification. Because no nonce or role check is enforced, the server processes the request as if the caller were a privileged user, allowing the attacker to modify form configurations, inject malicious field definitions, or alter submission routing. …
Remediation Update the Kali Forms plugin to a version released after 2.4.23 via the WordPress plugin repository or the plugin vendor. … 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-2026-81276 vulnerability details – vuln.today

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