Description
Adobe Experience Manager versions 6.5.23 and earlier are affected by a DOM-based Cross-Site Scripting (XSS) vulnerability that could lead to arbitrary code execution. An attacker could exploit this vulnerability by injecting malicious scripts into a web page that are executed in the context of the victim's browser. A successful attacker can abuse this to achieve session takeover, increasing the confidentiality and integrity impact as high. Exploitation of this issue requires user interaction in that a victim must visit a crafted malicious page.
EPSS Score:
0%
Comprehensive Technical Analysis of EUVD-2025-202474
1. Vulnerability Assessment and Severity Evaluation
The vulnerability EUVD-2025-202474 affects Adobe Experience Manager (AEM) versions 6.5.23 and earlier. It is classified as a DOM-based Cross-Site Scripting (XSS) vulnerability, which can lead to arbitrary code execution. The severity of this vulnerability is rated with a CVSS Base Score of 9.3, indicating a critical risk. The CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N breaks down as follows:
- Attack Vector (AV): Network (N) - The vulnerability is exploitable over the network.
- Attack Complexity (AC): Low (L) - The attack requires minimal skill or resources.
- Privileges Required (PR): None (N) - No special privileges are needed to exploit the vulnerability.
- User Interaction (UI): Required (R) - The victim must visit a crafted malicious page.
- Scope (S): Changed (C) - The vulnerability affects a different security scope.
- Confidentiality (C): High (H) - The vulnerability has a high impact on confidentiality.
- Integrity (I): High (H) - The vulnerability has a high impact on integrity.
- Availability (A): None (N) - The vulnerability does not impact availability.
2. Potential Attack Vectors and Exploitation Methods
The primary attack vector for this vulnerability is through user interaction, where an attacker crafts a malicious web page that, when visited by the victim, injects malicious scripts into the DOM. These scripts are then executed in the context of the victim's browser, leading to potential session takeover and other malicious activities.
Exploitation Methods:
- Phishing Emails: Attackers can send phishing emails containing links to malicious pages.
- Malicious Advertisements: Attackers can embed malicious scripts in online advertisements.
- Compromised Websites: Attackers can compromise legitimate websites to host malicious scripts.
3. Affected Systems and Software Versions
The vulnerability affects Adobe Experience Manager (AEM) versions 6.5.23 and earlier. Organizations using these versions are at risk and should prioritize updating to a patched version.
4. Recommended Mitigation Strategies
Immediate Actions:
- Patch Management: Upgrade to the latest version of Adobe Experience Manager that includes the security patch for this vulnerability.
- User Education: Educate users about the risks of clicking on unknown links and visiting untrusted websites.
Long-Term Strategies:
- Web Application Firewalls (WAF): Implement WAFs to detect and block malicious scripts.
- Content Security Policy (CSP): Enforce strict CSP headers to mitigate XSS attacks.
- Regular Security Audits: Conduct regular security audits and vulnerability assessments.
5. Impact on European Cybersecurity Landscape
The vulnerability poses a significant risk to European organizations using Adobe Experience Manager, particularly those in sectors where data confidentiality and integrity are critical, such as finance, healthcare, and government. The potential for session takeover and arbitrary code execution can lead to data breaches, financial loss, and reputational damage.
6. Technical Details for Security Professionals
Detection:
- Log Analysis: Monitor web server logs for unusual activity and script injection attempts.
- Intrusion Detection Systems (IDS): Use IDS to detect and alert on suspicious network traffic.
Response:
- Incident Response Plan: Have a well-defined incident response plan to quickly address any detected exploitation attempts.
- Forensic Analysis: Conduct forensic analysis to understand the scope and impact of any successful attacks.
Prevention:
- Input Validation: Ensure robust input validation and sanitization to prevent script injection.
- Secure Coding Practices: Follow secure coding practices to minimize the risk of introducing similar vulnerabilities in the future.
References:
By addressing this vulnerability promptly and implementing robust security measures, organizations can significantly reduce the risk of exploitation and protect their digital assets.