CVE-2026-81292: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Ido Kobelkowsky Simple Payment

This vulnerability, identified as CWE-79, involves improper neutralization of input during web page generation in Simple Payment software by Ido Kobelkowsky. It allows unauthenticated attackers to inject malicious scripts (XSS) in affected versions (<= 2.5.1). The CVSS 3.1 base score is 7.1, indicating high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts on confidentiality, integrity, and availability. There is no vendor advisory or patch information available at this time.

Successful exploitation of this vulnerability can allow an unauthenticated attacker to execute arbitrary scripts in the context of the affected web application, potentially leading to partial disclosure of sensitive information, modification of data, and disruption of service availability.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider applying web application firewalls or input validation controls as temporary mitigations.