Adobe Experience Manager versions 6.5.21 and earlier are affected by a DOM-based Cross-Site Scripting (XSS) vulnerability that could be exploited by a low privileged attacker to execute arbitrary code in the context of the victim's browser session. By manipulating a DOM element through a crafted URL or user input, the attacker can inject malicious scripts that run when the page is rendered. This type of attack requires user interaction, as the victim would need to access a manipulated link or input data into a vulnerable page.
Conclusion & alert: CVE-2024-53963 is rated Moderate Risk (57.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 5.36%). Core evidence: EPSS rose +4.02% over the last day, indicating growing attacker interest. 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 | 2026-03-16 | 1.34% | 5.36% | +4.02% |
| 2 | 2026-03-15 | 0.92% | 1.34% | +0.42% |
| 3 | 2026-01-18 | — | 0.92% | — |
Full EPSS history (20 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.4 | 3.1 | MEDIUM |
|
2.3 | 2.7 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| adobe | experience_manager | < 6.5.22 | cpe:2.3:a:adobe:experience_manager:*:*:*:*:-:*:*:* |
| adobe | experience_manager | < 2024.11.0 | cpe:2.3:a:adobe:experience_manager:*:*:*:*:aem_cloud_service:*:*:* |
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/experience-manager/apsb24-69.html | Vendor Advisory |