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CVE-2026-16054 – Unauthenticated Arbitrary File Deletion – Drag and Drop Multiple File Upload for Wo

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Summary

CVE-2026-16054 is an unauthenticated arbitrary file deletion vulnerability in the Drag and Drop Multiple File Upload for WooCommerce WordPress plugin before version 1.1.8. Because the plugin’s file-deletion routine is gated only by a nonce that unauthenticated users can obtain, anonymous attackers can delete files staged in its upload directory and irreversibly destroy customers’ pending order attachments. It is rated Critical with a CVSS base score of 9.1.

Technical details

  • Root cause: The file-deletion function relies solely on a nonce for protection, and the plugin does not prevent unauthenticated users from obtaining a valid nonce (CWE-73: External Control of File Name or Path).
  • Trigger conditions: An attacker retrieves a valid nonce and issues a deletion request; no authentication or user interaction is required.
  • Attack vector: Network — remotely exploitable against an internet-facing WooCommerce store running the affected plugin.
  • Impact: Deletion of files staged in the plugin’s upload directory, irreversibly destroying customers’ pending order attachments (high integrity and availability impact).

Affected software

  • Drag and Drop Multiple File Upload for WooCommerce — all versions before 1.1.8.

Severity

  • CVSS v3.1 base score: 9.1 (Critical)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Mitigation and recommended actions

  • Immediate: Update the Drag and Drop Multiple File Upload for WooCommerce plugin to version 1.1.8 or later.
  • If no patch can be applied: Restrict network access to the plugin’s upload and file-handling endpoints, and back up the upload directory so destroyed order attachments can be restored. Deactivate the plugin until it can be updated.

How IONIX identifies potentially affected assets

IONIX matches the following signals against data already collected when it crawled the asset; identifying the technology sends no request beyond that crawl.

  • Raw response body: /wp-content/plugins/drag-and-drop-multiple-file-upload-for-woocommerce/

References

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How IONIX’s External Exposure Management Platform Detects and Validates
Zero-Days to Shrink MTTR

1

Map your entire attack surface (continously)

IONIX uses multi-factor discovery methods, including DNS analysis, certificate mapping, metadata inspection, and more, to automatically map every internet-facing asset across your environment. This includes cloud instances, third-party platforms, shadow IT, and even forgotten infrastructure that traditional tools miss.

2

Monitor for new CVEs

Dozens of threat intel feeds using agentic technology are continuously analyzed to detect the appearance of proof-of-concept code, exploit kits, and indicators of active targeting. IONIX goes further by applying AI to proactively evaluate whether emerging vulnerabilities are likely to be exploited, even before PoCs go public.

3

Identify Potential External Exposures

Not all CVEs matter. IONIX filters vulnerabilities by asking attacker-centric questions: Can it be reached from the internet? Does it require authentication? Is it being exploited in the wild? This dramatically reduces noise and focuses teams on threats that can actually be weaponized.

4

Create Safe, Scalable Exploit Validations

IONIX transforms real-world PoCs into safe, non-intrusive test payloads that can be run in production environments without disruption. These simulations are precisely targeted to the systems that are vulnerable, ensuring rapid validation without unnecessary load.

5

Execute Exploit Validations

By combining context about software stack, versioning, exposure status, and reachability, IONIX ensures that only the right payloads are executed against the right assets, maximizing efficiency and minimizing risk.

6

Drive Fast and Actionable Remediation

Results are routed through integrations with ticketing, SOAR, and SIEM tools. Issues are written in plain language, bundled into remediation clusters, and prioritized based on asset criticality, exploitability, and blast radius. This shortens mean time to remediation (MTTR) and empowers teams to act with confidence.

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  • Mapping of all Assets with this Technology
  • Identification of potentially exposed assets to this CVE
  • Confirmation of verified exploitable assets
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