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CVE-2025-10041

CriticalPublished

Flex QR Code Generator <= 1.2.5 - Unauthenticated Arbitrary File Upload

Published: Oct 15, 2025
Updated: Apr 8, 2026
Assigning CNA: Wordfence
Evidence observed: Aug 25, 2026

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

0.9%

Low · next 30 days

Percentile: 58.2%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

The Flex QR Code Generator plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in thesave_qr_code_to_db() function in all versions up to, and including, 1.2.5. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

Sources

CVE-2025-10041Exploit
Flex QR Code Generator <= 1.2.5 - Unauthenticated Arbitrary File Upload
WordPress-Flex-QR-Code-Generator---CVE-2025-10041PoC
Technical analysis and proof-of-concept exploit for CVE-2025-10041, an unauthenticated arbitrary file upload leading to remote code execution in the WordPress Flex QR Code Generator plugin.

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