The vulnerability CVE-2025-23831 affects mobstac QR Code Generator versions up to 1.2.6. It is a DOM-based Cross-site Scripting (XSS) issue caused by improper neutralization of input during web page generation. This allows an attacker with low privileges and requiring user interaction to execute malicious scripts in the context of the affected application, potentially impacting confidentiality, integrity, and availability. The CVSS 3.1 base score is 6.5, indicating medium severity. The vulnerability is network exploitable with low attack complexity but requires user interaction and privileges.

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the victim's browser, potentially leading to partial compromise of confidentiality, integrity, and availability of the affected system or user data. The CVSS vector indicates that the attack requires low privileges and user interaction, and it affects the system's confidentiality, integrity, and availability to a limited extent.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution when processing untrusted input through the affected QR Code Generator. Monitor vendor channels for updates and apply patches promptly once released.