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WP images upload CVE-2026-84171

| EUVDEUVD-2026-76795 CRITICAL
Unrestricted Upload of File with Dangerous Type (CWE-434)
2026-09-12 contact@wpscan.com GHSA-qgr2-56q2-3f39
9.8
CVSS 3.1 · Vendor: wpscan
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Severity by source

Vendor (wpscan) PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vuln.today AI
9.8 CRITICAL

Unauthenticated network upload with no interaction (AV:N/AC:L/PR:N/UI:N) yields arbitrary code execution as the web user, giving full C/I/A impact on the host system.

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

Primary rating from Vendor (wpscan).

CVSS VectorVendor: wpscan

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

Lifecycle Timeline

4
Analysis Generated
Sep 12, 2026 - 16:30 vuln.today
CVSS changed
Sep 12, 2026 - 16:22 NVD
9.8 (CRITICAL)
CVE Published
Sep 12, 2026 - 06:16 cve.org
CRITICAL 9.8
CVE Published
Sep 12, 2026 - 06:16 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

The WP images upload on piclect WordPress plugin through 1.0 does not validate the name or type of uploaded files before writing them to a publicly accessible directory, allowing unauthenticated attackers to upload arbitrary files and execute arbitrary code on the server.

AnalysisAI

Unauthenticated remote code execution in the 'WP images upload on piclect' WordPress plugin (versions through 1.0) arises because the plugin writes uploaded files to a publicly accessible directory without validating the filename or MIME/content type. Any remote attacker can upload a PHP file and request it directly to run arbitrary code as the web server. …

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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 only that the vulnerable 'WP images upload on piclect' plugin (≤1.0) be installed and active on a network-reachable WordPress site, and that its upload endpoint be reachable by unauthenticated clients (PR:N/UI:N). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H = 9.8) describes a network-reachable, low-complexity, unauthenticated flaw with full compromise potential - the theoretical worst case. … 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 patched version is identified at time of analysis (the advisory covers 'through 1.0' with no fixed release cited). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: immediately deactivate and uninstall the WP images upload on piclect plugin from all WordPress instances; scan all upload directories for suspicious PHP files or recently modified files; review web server access and error logs for unauthorized file upload attempts from the past 30 days. …

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CVE-2026-84171 vulnerability details – vuln.today

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