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Rara Demo Import CVE-2026-26212

| EUVDEUVD-2026-75028 HIGH
Unrestricted Upload of File with Dangerous Type (CWE-434)
2026-09-09 VulnCheck GHSA-cr98-vvwf-97rx
8.6
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
8.6 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
7.2 HIGH

Network upload path with no complexity; Administrator credentials required (PR:H); full RCE on vulnerable system with no scope change.

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

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
X

Lifecycle Timeline

3
Analysis Generated
Sep 09, 2026 - 15:32 vuln.today
Patch available
Sep 09, 2026 - 15:18 EUVD
CVE Published
Sep 09, 2026 - 14:50 cve.org
HIGH 8.6

DescriptionCVE.org

Rara One Click Demo Import plugin for WordPress before 1.3.5 contains an arbitrary file upload vulnerability that allows authenticated attackers with Administrator privileges to upload arbitrary PHP files by passing a false value to wp_handle_upload() that disables WordPress core's file type validation checks across all three file parameters in the process_uploaded_files() function. Attackers can upload a malicious PHP file to the uploads directory and execute it over HTTP to achieve remote code execution in the web server process, with the uploaded file persisting on disk even after plugin deactivation and leaving no media library record to evade standard integrity checks.

AnalysisAI

Arbitrary PHP file upload in the Rara One Click Demo Import WordPress plugin (versions before 1.3.5) grants authenticated administrators a path to full remote code execution by deliberately bypassing WordPress core's file type validation. The plugin's process_uploaded_files() function passes a false override value to wp_handle_upload(), disabling MIME and extension checks across all three upload parameters, allowing a PHP webshell to be written to the publicly accessible wp-content/uploads/ directory and triggered via HTTP. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Recon
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Delivery
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Exploit
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Install
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C2
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Execute
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires the attacker to hold a valid WordPress account with Administrator-level privileges (PR:H per CVSS 4.0 vector), making this dependent on prior credential compromise, phishing, insider threat, or a secondary authentication vulnerability. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:H/UI:N, score 8.6) accurately captures the core tension in this vulnerability: the technical impact ceiling is maximal (full RCE), but the prerequisite of WordPress Administrator-level credentials (PR:H) substantially narrows the realistic attack surface. … 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 fix is to update the Rara One Click Demo Import plugin to version 1.3.5 or later, which corrects the `process_uploaded_files()` function to pass proper file-type validation overrides to `wp_handle_upload()`. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, update the Rara One Click Demo Import plugin to version 1.3.5 or later across all WordPress installations. …

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

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CVE-2026-26212 vulnerability details – vuln.today

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