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CVE-2020-9644
Adobe Experience Manager vulnerability analysis and mitigation

Overview

Adobe Experience Manager (AEM) versions 6.5 and earlier contain a stored cross-site scripting vulnerability identified as CVE-2020-9644. The vulnerability was disclosed on June 12, 2020, and affects multiple versions of the AEM platform (NVD, CVE).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 5.4 (Medium severity) with the following vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. This indicates that the vulnerability requires network access, low attack complexity, low privileges, and user interaction. The vulnerability is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation) (NVD).

Impact

Successful exploitation of this vulnerability could lead to arbitrary JavaScript execution in the browser, potentially allowing attackers to perform malicious actions in the context of the affected user's session (NVD).

Exploitability

The vulnerability requires low privileges and user interaction for successful exploitation. The attack vector is network-accessible, and the attack complexity is considered low (NVD).

Mitigation and workarounds

Adobe has released security updates to address this vulnerability. Users should update to the latest version of Adobe Experience Manager to mitigate this security risk (Adobe Security).

Community reactions

The vulnerability was discovered and reported by Thomas Hartmann of Netcentric (Adobe Security).

Additional resources


SourceThis report was generated using AI

Related Adobe Experience Manager vulnerabilities:

CVE ID

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Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-79905MEDIUM5.4
  • Adobe Experience Manager logoAdobe Experience Manager
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CVE-2026-75742MEDIUM5.4
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  • cpe:2.3:a:adobe:experience_manager
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CVE-2026-75741MEDIUM5.4
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  • cpe:2.3:a:adobe:experience_manager
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CVE-2026-75740MEDIUM5.4
  • Adobe Experience Manager logoAdobe Experience Manager
  • cpe:2.3:a:adobe:experience_manager
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CVE-2026-75739MEDIUM5.4
  • Adobe Experience Manager logoAdobe Experience Manager
  • cpe:2.3:a:adobe:experience_manager
NoYesSep 08, 2026

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