CVE-2025-12673 | The Flex QR Code Generator plugin for WordPress is vulnerabl… | CVSS 9.8 CRITICAL

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.

Metadata

CVE ID: CVE-2025-12673
State: PUBLISHED
Assigner: Wordfence
Reserved: 2025-11-03 21:49 UTC
Published: 2025-12-06 05:49 UTC
Last updated: 2026-04-08 16:47 UTC
Primary CWE: CWE-434
CWE-434 Unrestricted Upload of File with Dangerous Type
Vendor / Product: ajitdas / Flex QR Code Generator
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
ajitdas	Flex QR Code Generator	—	0 ≤ 1.2.7

Weakness (CWE)

CWE	Source	Description
CWE-434	cna	CWE-434 Unrestricted Upload of File with Dangerous Type

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (5)