CVE-2025-46908 is a stored Cross-Site Scripting (XSS) vulnerability affecting Adobe Experience Manager (AEM) versions 6.5.22 and earlier. This vulnerability allows a low-privileged attacker to inject malicious JavaScript code into vulnerable form fields within the AEM interface. When a victim user visits a page containing the compromised form field, the injected script executes in their browser context. This type of stored XSS is particularly dangerous because the malicious payload is persistently stored on the server and served to multiple users, increasing the attack surface. The vulnerability arises due to insufficient input validation and output encoding in form fields, enabling script injection. The CVSS v3.1 base score is 5.4 (medium severity), with an attack vector of network (remote exploitation), low attack complexity, requiring low privileges, and user interaction (victim must browse to the affected page). The impact includes limited confidentiality and integrity loss, as the attacker can execute arbitrary scripts in the victim’s browser, potentially stealing session cookies, performing actions on behalf of the user, or defacing content. Availability is not impacted. The vulnerability scope is changed (S:C), meaning the attack can affect components beyond the vulnerable component. No known exploits are currently reported in the wild, and no patches are linked yet. Given AEM’s role as a content management system widely used by enterprises for web content delivery, this vulnerability could be leveraged to conduct phishing, session hijacking, or privilege escalation within affected organizations.

For European organizations using Adobe Experience Manager, this vulnerability poses a risk to web application security and user trust. Exploitation could lead to unauthorized actions performed in the context of authenticated users, data leakage through stolen cookies or tokens, and defacement of public-facing websites. This could damage brand reputation, lead to regulatory scrutiny under GDPR if personal data is compromised, and potentially facilitate further attacks such as lateral movement or privilege escalation within the organization’s network. The medium severity score indicates moderate risk, but the widespread use of AEM in sectors like government, finance, and retail across Europe elevates the potential impact. Attackers exploiting this vulnerability could target employees or customers, leveraging social engineering combined with the persistent XSS to maximize reach. The requirement for user interaction (visiting a malicious page) means phishing campaigns could be a likely attack vector. The vulnerability’s presence in older versions means organizations that have not updated their AEM installations remain at risk.

European organizations should prioritize the following specific mitigations: 1) Immediately audit and identify all AEM instances running version 6.5.22 or earlier. 2) Apply vendor patches as soon as they become available; monitor Adobe security advisories closely. 3) Implement strict input validation and output encoding on all form fields within AEM to prevent script injection, including use of Content Security Policy (CSP) headers to restrict script execution sources. 4) Conduct thorough security testing and code review of custom AEM components or templates that handle user input. 5) Educate users and administrators about the risks of phishing and the importance of not clicking suspicious links that could trigger stored XSS payloads. 6) Employ web application firewalls (WAFs) with rules designed to detect and block XSS payloads targeting AEM. 7) Monitor logs and user activity for unusual behavior indicative of exploitation attempts. 8) Consider isolating AEM administrative interfaces from public access where possible to reduce exposure. These measures go beyond generic advice by focusing on both immediate patching and layered defenses tailored to AEM deployments.