CVE-2021-43765 : What You Need to Know

Adobe Experience Manager (AEM) versions up to 6.5.10.0 and AEM's Cloud Service offering are vulnerable to a stored Cross-Site Scripting (XSS) in the Carousel Set.

Understanding CVE-2021-43765

A stored XSS vulnerability in Adobe Experience Manager presenting a significant risk to affected systems.

What is CVE-2021-43765?

AEM's Cloud Service and AEM 6.5.10.0 (and below) are impacted by a stored XSS vulnerability allowing malicious script injection.
Attackers can execute malicious JavaScript by exploiting vulnerable form fields on affected pages.

The Impact of CVE-2021-43765

CVSS Base Score: 8.1 (High Severity)
Attack Vector: Network
Confidentiality Impact: High
Integrity Impact: High
Malicious scripts can be injected and executed in users' browsers, posing a severe security threat.

Technical Details of CVE-2021-43765

A detailed analysis of the vulnerability.

Vulnerability Description

The vulnerability allows attackers to inject and execute malicious scripts through vulnerable form fields.

Affected Systems and Versions

Adobe Experience Manager (AEM) versions up to 6.5.10.0 and AEM's Cloud Service offering.

Exploitation Mechanism

Attackers exploit vulnerable form fields to insert malicious scripts, leading to potential execution in victims' browsers.

Mitigation and Prevention

Measures to address the CVE-2021-43765 vulnerability.

Immediate Steps to Take

Apply vendor-provided patches and updates promptly.
Monitor system logs and user inputs for unusual activities.
Educate users about practicing safe browsing habits.

Long-Term Security Practices

Regularly update and patch software to mitigate security risks.
Conduct security assessments and penetration testing to identify vulnerabilities.

Patching and Updates

Check for security advisories from Adobe and apply recommended patches to secure systems.