CVE-2026-28568 is an unauthenticated Cross-Site Scripting (XSS) vulnerability in Mohamed Magdy's Quill Forms product, affecting all versions up to 5.7.1. The vulnerability arises from improper neutralization of input during web page generation (CWE-79), enabling attackers to inject malicious scripts that execute in the context of the victim's browser. The CVSS 3.1 base score is 7.1, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, and impacts on confidentiality, integrity, and availability. No patch or official remediation has been published yet.

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the victim's browser, potentially leading to limited disclosure of information, modification of data, or disruption of service. Because the vulnerability is unauthenticated and remotely exploitable, it poses a significant risk to users of affected versions of Quill Forms.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider applying input validation or output encoding workarounds if feasible. Monitor official channels for updates from Mohamed Magdy regarding patches or mitigations.