CVE-2025-46947 is a stored Cross-Site Scripting (XSS) vulnerability affecting Adobe Experience Manager (AEM) versions 6.5.22 and earlier. This vulnerability arises from insufficient input sanitization in certain form fields within AEM, allowing a low-privileged attacker to inject malicious JavaScript code that gets persistently stored on the server. When a victim user accesses the affected page containing the injected script, the malicious code executes in their browser context. The vulnerability is classified under CWE-79, indicating improper neutralization of input during web page generation. The CVSS 3.1 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 visit the malicious page). The scope is changed (S:C), meaning the vulnerability affects resources beyond the initially vulnerable component. The impact affects confidentiality and integrity (C:L/I:L), but not availability. No known exploits are currently reported in the wild, and no official patches have been linked yet. However, given the widespread use of AEM in enterprise content management and web publishing, this vulnerability could be leveraged for session hijacking, credential theft, or delivering further malware payloads via script execution in trusted user sessions.

For European organizations using Adobe Experience Manager, this vulnerability poses a significant risk to the confidentiality and integrity of their web applications and user data. A successful exploit could allow attackers to steal session tokens, perform unauthorized actions on behalf of users, or manipulate displayed content, undermining trust and potentially leading to data breaches or compliance violations under GDPR. Since AEM is widely adopted by government agencies, financial institutions, and large enterprises across Europe for managing digital content and customer interactions, exploitation could disrupt critical services and damage reputations. The requirement for user interaction (visiting a malicious or compromised page) means phishing or social engineering could be used to trigger the attack. The vulnerability’s medium severity suggests it is not trivially exploitable at scale but still warrants prompt attention to prevent targeted attacks against high-value European targets.

European organizations should implement the following specific mitigations: 1) Immediately audit all AEM instances for the affected versions (6.5.22 and earlier) and plan for an upgrade to the latest patched version once available. 2) In the interim, apply strict input validation and output encoding on all user-supplied data in form fields, leveraging AEM’s built-in Content Security Policy (CSP) features to restrict script execution origins. 3) Employ web application firewalls (WAFs) with custom rules to detect and block suspicious script injection patterns targeting AEM forms. 4) Conduct user awareness training to reduce the risk of phishing attacks that could lead users to malicious pages. 5) Monitor logs and web traffic for unusual activity indicative of XSS exploitation attempts. 6) If feasible, isolate AEM administrative interfaces and restrict access to trusted networks to reduce exposure. 7) Coordinate with Adobe support channels to obtain patches or workarounds and subscribe to vulnerability advisories for timely updates.