CVE-2021-40711: Adobe Experience Manager

Medium severity, CVSS 5.4. EPSS: 1.5% chance of exploitation in the next 30 days.

Adobe Experience Manager version 6.5.9.0 (and earlier) is affected by a stored XSS vulnerability when creating Content Fragments. An authenticated attacker can send a malformed POST request to achieve arbitrary code execution. Malicious JavaScript may be executed in a victim’s browser when they browse to the page containing the vulnerable field.

Affected products

• Adobe Experience Manager: up to and including 6.5.9.0

Published 2021-09-27. Last modified 2026-06-17.