Risk Letters

Exploited vulnerability

CVE-2026-18143

TLP:CLEAR

Unrestricted Upload of File with Dangerous Type

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 p

Facts

  • Vendor: Addify
  • Product: Request a Quote for WooCommerce
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 2.1 %
  • First known exploitation: 28 September 2026
  • First seen by Risk Letters: 26 September 2026

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD