Horizon Alert
Summary of the vulnerability and why it matters
This advisory addresses a critical vulnerability in Adobe Experience Manager Forms. The issue involves a stored Cross-Site Scripting (XSS) flaw that allows attackers to inject malicious scripts into form fields. If exploited, these scripts could execute in a user's browser, potentially leading to unauthorized access or control over their accounts or sessions. The main concern at this stage is confirming if your organization uses the affected Adobe Experience Manager Forms technology.
- Injects harmful scripts into digital forms.
- High severity, affecting user accounts and sessions.
- Verify usage and assess potential impact.
Attack Path
How an attacker could exploit the issue
Attackers can inject malicious scripts into vulnerable form fields within Adobe Experience Manager Forms. When a victim views a page containing these manipulated fields, the embedded JavaScript could execute in their browser. This could potentially lead to unauthorized access or control over the victim's account or session.
- Entry Condition: Publicly accessible form fields.
- Trigger Point: Victim views a crafted form.
- Resulting Risk: Account takeover and session hijacking.
Live Threat
Current exploitation, exposure, and threat context
This stored Cross-Site Scripting (XSS) vulnerability could allow an attacker to inject malicious scripts into form fields. When a victim views a page with a vulnerable field, these scripts may execute in their browser, potentially leading to unauthorized access or control of their account or session.
- User session data at risk.
- Malicious scripts injected into form fields.
- Unauthorized account or session control.
Priority actions
Operational Fix
Recommended remediation, mitigation, and detection steps
Application owners and platform teams are likely responsible for addressing this Cross-Site Scripting vulnerability in Adobe Experience Manager Forms. The first practical step is to identify all instances of the affected technology, determine their exposure and business criticality, and then confirm the accountable owner before planning remediation.
- Identify affected Adobe Experience Manager Forms deployments.
- Verify exposure and business criticality of each instance.
- Plan remediation with affected application owners.
