The Flex QR Code Generator plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the update_qr_code() function in all versions up to, and including, 1.2.6. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
History

Tue, 09 Dec 2025 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Wordpress
Wordpress wordpress
Vendors & Products Wordpress
Wordpress wordpress

Mon, 08 Dec 2025 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Sat, 06 Dec 2025 06:00:00 +0000

Type Values Removed Values Added
Description The Flex QR Code Generator plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the update_qr_code() function in all versions up to, and including, 1.2.6. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
Title Flex QR Code Generator <= 1.2.6 - Unauthenticated Arbitrary File Upload
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published: 2025-12-06T05:49:25.910Z

Updated: 2025-12-08T21:11:03.787Z

Reserved: 2025-11-03T21:49:33.430Z

Link: CVE-2025-12673

cve-icon Vulnrichment

Updated: 2025-12-08T21:10:59.403Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-12-06T06:15:50.233

Modified: 2025-12-08T18:26:49.133

Link: CVE-2025-12673

cve-icon Redhat

No data.