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CVE-2026-18143

CRITICAL 9.8 CVSS 3.1
Published
September 26, 2026
Last modified
September 28, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-434
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The Request a Quote for WooCommerce plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 2.9.2 via the `afrfq_submit_quote_via_popup()` function. This is due to missing file extension and MIME type validation in the popup upload handler, which uses the raw attacker-supplied filename directly as the destination for `move_uploaded_file()`. This makes it possible for unauthenticated attackers to upload executable files, such as PHP files, to a web-accessible temporary RFQ upload directory when a public quote rule with the multi-page popup flow is enabled.

Affected WordPress components

  • Request a Quote for WooCommerce – Get a Quote Button Plugin · get-a-quote-button-for-woocommerce
    Confirmed match Active
    Up to and including 2.9.2
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Addify Request a Quote for WooCommerce — Up to and including 2.9.2

References

  • woocommerce.com https://woocommerce.com/products/request-a-quote-plugin-for-woocommerce/
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/3417ec27-6abf-45c7-945f-6ef456ba1187?source=cve
  • nvd.nist.gov Official NVD record