CVE-2025-32622 identifies a reflected Cross-site Scripting (XSS) vulnerability in the OTP-less one tap Sign in product, versions up to and including 2.0.58. This vulnerability stems from improper neutralization of user-supplied input during the generation of web pages, allowing malicious scripts to be injected and executed in the context of a victim's browser. Reflected XSS typically occurs when input data is immediately included in a web response without adequate sanitization or encoding, enabling attackers to craft malicious URLs or payloads that, when visited by users, execute arbitrary JavaScript code. The OTP-less one tap Sign in product is designed to streamline user authentication by eliminating the need for one-time passwords (OTPs), relying instead on a simplified sign-in flow. The vulnerability could be exploited by attackers to perform actions such as stealing session cookies, redirecting users to malicious sites, or performing unauthorized actions on behalf of the user. Although no exploits have been reported in the wild yet, the presence of this vulnerability poses a significant risk, especially in environments where OTP-less is widely deployed. The lack of a CVSS score indicates that the vulnerability is newly disclosed and pending further assessment. The vulnerability requires user interaction (e.g., clicking a malicious link) and does not appear to require authentication, which increases the attack surface. The vulnerability affects all versions up to 2.0.58, and no official patches or mitigations have been linked yet, highlighting the need for immediate attention from users of the product.

The impact of CVE-2025-32622 on organizations worldwide can be substantial. Successful exploitation of this reflected XSS vulnerability can lead to the compromise of user sessions, theft of sensitive information such as authentication tokens or personal data, and unauthorized actions performed on behalf of users. This can result in data breaches, loss of user trust, and potential regulatory penalties, especially for organizations handling sensitive or personal information. Since OTP-less one tap Sign in is used to simplify authentication, compromising it undermines the security of the login process, potentially allowing attackers to bypass intended protections. The reflected nature of the XSS means that phishing or social engineering attacks could be used to lure users into executing malicious payloads. Organizations relying on OTP-less for user authentication in web applications, particularly those with high user volumes or sensitive data, face increased risk. Additionally, the vulnerability could be leveraged as a stepping stone for more complex attacks, including lateral movement within networks or deployment of malware. The absence of known exploits in the wild provides a window for proactive mitigation, but the risk remains significant due to the widespread impact on confidentiality and integrity of user sessions.

To mitigate CVE-2025-32622, organizations should implement multiple layers of defense. First, monitor the OTP-less vendor’s communications for official patches or updates and apply them promptly once available. Until patches are released, implement strict input validation and output encoding on all user-supplied data that is reflected in web pages to prevent script injection. Employ Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts in browsers. Educate users about the risks of clicking unknown or suspicious links, as exploitation requires user interaction. Use web application firewalls (WAFs) with rules designed to detect and block reflected XSS payloads targeting OTP-less endpoints. Conduct thorough security testing of authentication flows to identify and remediate similar input handling issues. Additionally, consider implementing multi-factor authentication (MFA) mechanisms independent of OTP-less to reduce the impact of session compromise. Regularly review and update security controls around authentication services to ensure resilience against injection attacks.