CVE-2025-23979 is a reflected cross-site scripting vulnerability (CWE-79) in the duwasai Flashy product affecting versions up to 1.2.1. The vulnerability occurs due to improper neutralization of input during web page generation, enabling attackers to inject and execute arbitrary scripts in users' browsers. The CVSS 3.1 base score is 7.1, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and low impacts on confidentiality and integrity, with low availability impact.

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the victim's browser session, potentially leading to information disclosure, modification of data, or disruption of service. The CVSS score indicates partial impacts on confidentiality, integrity, and availability. However, no known exploits have been reported in the wild.

No official patch or remediation is currently available for this vulnerability. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is released, users should exercise caution with untrusted input and consider implementing web application firewall rules or input validation as temporary mitigations.