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.
Conclusion & alert: CVE-2025-64539 is rated Moderate Risk (59.7/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.45%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-20 | 0.35% | 0.45% | +0.10% |
| 2 | 2026-05-09 | 0.36% | 0.35% | -0.01% |
| 3 | 2026-05-07 | — | 0.36% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 3.1 | CRITICAL |
|
2.8 | 5.8 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| adobe | experience_manager | < 6.5.24.0 | cpe:2.3:a:adobe:experience_manager:*:*:*:*:-:*:*:* |
| adobe | experience_manager | < 2025.12.0 | cpe:2.3:a:adobe:experience_manager:*:*:*:*:aem_cloud_service:*:*:* |
| adobe | experience_manager | 6.5 | cpe:2.3:a:adobe:experience_manager:6.5:-:*:*:lts:*:*:* |
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/experience-manager/apsb25-115.html | Vendor Advisory |