CVE-2020-9738 Stored XSS in AEM's Content Repository Development Environment

Medium 6.8 Published 10 Sep 2020 Updated 16 Sep 2024

Stored XSS in Adobe Experience Manager allows attackers with repository access to inject scripts executed in victims' browsers.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2020-9738?

CVE-2020-9738 is a medium-severity cross-site scripting vulnerability in Adobe Experience Manager, published on 10 Sep 2020. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

AEM versions 6.5.5.0 (and below), 6.4.8.1 (and below), 6.3.3.8 (and below) and 6.2 SP1-CFP20 (and below) are affected by a stored XSS vulnerability that allows users with access to the Content Repository Development Environment to store malicious scripts in certain node fields. These scripts may be executed in a victim’s browser when visiting the page containing the vulnerable field.

Weakness: CWE-79

Which versions are affected by CVE-2020-9738?

It affects 1 product.

Products include Adobe Experience Manager.

How do I fix CVE-2020-9738?

No fix has been published for CVE-2020-9738 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2020-9738 being exploited?

There is no known exploitation of CVE-2020-9738 in the wild and no public exploit code.

All Adobe Experience Manager vulnerabilities

Sources

Also known as GHSA-vfmc-vxg8-88xg.