CVE-2020-9734 : Exploit Details and Defense Strategies

A stored XSS vulnerability in Adobe Experience Manager Forms component allows malicious scripts to be executed in a victim's browser.

Understanding CVE-2020-9734

A critical vulnerability impacting Adobe Experience Manager Forms component.

What is CVE-2020-9734?

The vulnerability allows users with 'Author' privileges to store malicious scripts in fields associated with the Forms component, leading to script execution in victims' browsers.

The Impact of CVE-2020-9734

CVSS Base Score: 9.0 (Critical)
Attack Vector: Network
Attack Complexity: Low
Privileges Required: Low
User Interaction: Required
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
Scope: Changed

Technical Details of CVE-2020-9734

A detailed look at the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability allows for stored XSS attacks in Adobe Experience Manager Forms component.

Affected Systems and Versions

Adobe Experience Manager Forms add-on versions 6.5.5.0 and below
Adobe Experience Manager Forms add-on versions 6.4.8.1 and below
Custom versions with Forms SP5 and SP8 add-ons

Exploitation Mechanism

Attackers with 'Author' privileges can inject malicious scripts into fields associated with the Forms component, which are then executed in victims' browsers.

Mitigation and Prevention

Steps to mitigate the impact of CVE-2020-9734.

Immediate Steps to Take

Apply security patches provided by Adobe promptly
Restrict access to vulnerable components
Monitor for any suspicious activities

Long-Term Security Practices

Regular security training for users on safe coding practices
Implement Content Security Policy (CSP) to mitigate XSS attacks

Patching and Updates

Update Adobe Experience Manager to the latest version
Follow vendor recommendations for secure configuration and usage