CVE-2025-47045 is a stored Cross-Site Scripting (XSS) vulnerability affecting Adobe Experience Manager (AEM) versions 6.5.22 and earlier. This vulnerability arises from insufficient sanitization of user input in certain form fields, allowing a low-privileged attacker to inject malicious JavaScript code that is persistently stored on the server. When a victim subsequently accesses the affected page containing the vulnerable form field, the malicious script executes in their browser context. This DOM-based XSS attack can lead to unauthorized actions such as session hijacking, credential theft, or the execution of arbitrary scripts within the victim's browser session. The vulnerability has a CVSS 3.1 base score of 5.4, indicating a medium severity level. The vector details (AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N) show that the attack can be performed remotely over the network with low attack complexity, requires low privileges, and user interaction (visiting the malicious page) is necessary. The scope is changed, meaning the vulnerability affects components beyond the initially vulnerable component. No known exploits are currently reported in the wild, and no patches have been linked yet. However, given the widespread use of Adobe Experience Manager in enterprise content management and web experience platforms, this vulnerability poses a notable risk if exploited.

For European organizations, the impact of this vulnerability can be significant, especially for those relying on Adobe Experience Manager to manage public-facing websites, intranets, or customer portals. Successful exploitation could allow attackers to execute malicious scripts in the browsers of employees, partners, or customers, potentially leading to credential theft, session hijacking, or unauthorized actions performed on behalf of legitimate users. This can result in data breaches, reputational damage, and regulatory non-compliance, particularly under GDPR where personal data exposure is involved. The medium severity score reflects that while the vulnerability does not directly compromise system availability or allow full system takeover, the confidentiality and integrity of user sessions and data can be undermined. European organizations in sectors such as finance, government, healthcare, and retail that use AEM for critical web services are at heightened risk. Additionally, the requirement for user interaction means that social engineering or phishing campaigns could be used to lure victims to the malicious content, amplifying the threat.

To mitigate this vulnerability, European organizations should prioritize the following actions: 1) Monitor Adobe's official security advisories for patches or updates addressing CVE-2025-47045 and apply them promptly once available. 2) Implement strict input validation and output encoding on all user-supplied data within AEM forms to prevent script injection. 3) Employ Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts in browsers, limiting the impact of any injected malicious code. 4) Conduct thorough security testing of AEM deployments, including penetration testing focused on XSS vulnerabilities. 5) Educate users and administrators about the risks of clicking on untrusted links or content that could trigger the XSS payload. 6) Use web application firewalls (WAFs) with updated rules to detect and block malicious payloads targeting known AEM vulnerabilities. 7) Review and minimize privileges for users who can submit content to AEM forms to reduce the attack surface. These measures, combined, will reduce the likelihood of successful exploitation and limit potential damage.