CVE-2020-9732: Stored XSS in AEM Sites Components

Severity: critical (CVSS 9.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-09-10 · updated 2026-06-17
Weakness: CWE-79

Description

The AEM Forms add-on for versions 6.5.5.0 (and below) and 6.4.8.2 (and below) are affected by a stored XSS vulnerability that allows users with 'Author' privileges to store malicious scripts in fields associated with the Sites component. These scripts may be executed in a victim’s browser when they open the page containing the vulnerable field.

Affected products

Adobe Experience Manager: through 6.2.1.20; from 6.3.0.0 through 6.3.3.8; from 6.4.0.0 through 6.4.8.1; from 6.5.0.0 through 6.5.5.0
Adobe Experience Manager Forms: 6.4.8.1, 6.5.5.0

References

https://helpx.adobe.com/security/products/experience-manager/apsb20-56.html
https://helpx.adobe.com/security/products/experience-manager/apsb20-56.html

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