CVE-2025-12673: CWE-434 Unrestricted Upload of File with Dangerous Type in ajitdas Flex QR Code Generator
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.
AI Analysis
Technical Summary
CVE-2025-12673 is an unrestricted file upload vulnerability in the Flex QR Code Generator plugin for WordPress, specifically in the update_qr_code() function. The plugin fails to validate file types before upload, allowing attackers without authentication to upload arbitrary files. This can lead to remote code execution on the server hosting the vulnerable plugin. The vulnerability affects all versions up to and including 1.2.7. The CVSS 3.1 base score is 9.8, reflecting network attack vector, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows unauthenticated attackers to upload arbitrary files to the server, which may lead to remote code execution. This compromises the confidentiality, integrity, and availability of the affected system. Given the critical CVSS score of 9.8, the impact is severe and could result in full system compromise.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the plugin's upload functionality if possible and monitor for suspicious file uploads. Avoid using the affected plugin versions in production environments.
CVE-2025-12673: CWE-434 Unrestricted Upload of File with Dangerous Type in ajitdas Flex QR Code Generator
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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-12673 is an unrestricted file upload vulnerability in the Flex QR Code Generator plugin for WordPress, specifically in the update_qr_code() function. The plugin fails to validate file types before upload, allowing attackers without authentication to upload arbitrary files. This can lead to remote code execution on the server hosting the vulnerable plugin. The vulnerability affects all versions up to and including 1.2.7. The CVSS 3.1 base score is 9.8, reflecting network attack vector, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows unauthenticated attackers to upload arbitrary files to the server, which may lead to remote code execution. This compromises the confidentiality, integrity, and availability of the affected system. Given the critical CVSS score of 9.8, the impact is severe and could result in full system compromise.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the plugin's upload functionality if possible and monitor for suspicious file uploads. Avoid using the affected plugin versions in production environments.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2025-11-03T21:49:33.430Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6933c71c11163305efef3534
Added to database: 12/6/2025, 6:03:08 AM
Last enriched: 4/9/2026, 4:17:47 PM
Last updated: 5/10/2026, 6:56:11 AM
Views: 249
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