CVE-2025-12673
CRITICAL
9.8
CVSS 3.1
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, 1.2.7. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
Affected WordPress components
-
Flex QR Code Generator Plugin · flex-qr-code-generatorUp to and including 1.2.7View 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
- ajitdas Flex QR Code Generator — Up to and including 1.2.7
References
- github.com https://github.com/d0n601/CVE-2025-12673
- plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/flex-qr-code-generator/trunk/qr-code-generator.php#L457
- plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3412218
- ryankozak.com https://ryankozak.com/posts/cve-2025-12673/
- www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/3d71404e-0db8-485b-a626-5e0df2076c05?source=cve
- nvd.nist.gov Official NVD record