CVE-2025-64881 is a stored Cross-Site Scripting (XSS) vulnerability identified in Adobe Experience Manager (AEM), specifically affecting versions 6.5.23 and earlier. Stored XSS occurs when malicious scripts are permanently stored on a target server, such as within form fields, and later executed in the browsers of users who access the affected content. In this case, a low-privileged attacker can exploit vulnerable form fields in AEM to inject malicious JavaScript code. When other users visit the compromised page, the injected script executes within their browser context, potentially allowing the attacker to steal session cookies, perform actions on behalf of the user, or manipulate displayed content. The vulnerability requires user interaction, meaning the victim must visit the affected page for exploitation to occur. The CVSS v3.1 base score is 5.4, indicating medium severity, with vector metrics AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. This means the attack can be launched remotely over the network with low complexity and low privileges but requires user interaction. The scope is changed (S:C), indicating that the vulnerability affects resources beyond the initially vulnerable component. The impact on confidentiality and integrity is low, while availability is unaffected. No patches or exploit code are currently publicly available, and no known exploits in the wild have been reported. However, given the widespread use of AEM in enterprise content management and digital experience platforms, this vulnerability poses a tangible risk to organizations relying on AEM for web content delivery. Attackers could leverage this flaw to conduct phishing campaigns, session hijacking, or unauthorized actions within the context of the victim's session.

For European organizations, the impact of CVE-2025-64881 can be significant, especially for those using Adobe Experience Manager to manage public-facing websites or intranet portals. Exploitation could lead to theft of user credentials, session tokens, or sensitive information, undermining user trust and potentially leading to data breaches. The integrity of displayed content could be compromised, enabling attackers to deface websites or inject misleading information. While availability is not directly impacted, reputational damage and regulatory consequences under GDPR could result from successful exploitation. Organizations in sectors such as finance, government, healthcare, and e-commerce, which often rely on AEM for digital engagement, may face increased risk. The requirement for user interaction means social engineering or phishing techniques could be combined with this vulnerability to increase success rates. The medium severity rating reflects moderate risk but should not lead to complacency given the potential for chained attacks and data leakage.

1. Monitor Adobe’s official channels for patches addressing CVE-2025-64881 and apply them promptly once released. 2. Implement strict input validation on all form fields within AEM to reject or sanitize potentially malicious script content. 3. Apply comprehensive output encoding (e.g., HTML entity encoding) to user-supplied data before rendering it in web pages to prevent script execution. 4. Deploy Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts and reduce the impact of XSS attacks. 5. Conduct regular security audits and penetration testing focused on web application vulnerabilities, including XSS. 6. Educate users and administrators about the risks of clicking untrusted links and the importance of reporting suspicious website behavior. 7. Use web application firewalls (WAFs) configured to detect and block common XSS attack patterns targeting AEM. 8. Limit privileges of users who can submit content to reduce the likelihood of malicious input injection. 9. Review and harden AEM configurations to minimize exposure of vulnerable components or features. 10. Maintain comprehensive logging and monitoring to detect anomalous activities indicative of exploitation attempts.