CVE-2020-9577: Magento stored cross-site scripting vulnerability

Quick answers

Is CVE-2020-9577 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2020-9577 being exploited in the wild.

How severe is CVE-2020-9577?

Low severity, with a CVSS score of 3.1, published 24 May 2022.

Which products and versions are affected?

magento/community-edition (Packagist) ECOSYSTEM:introduced=0,fixed=2.3.4-p2; magento/core (Packagist) ECOSYSTEM:introduced=0,fixed=1.9.4.5; magento/project-community-edition (Packagist) ECOSYSTEM:introduced=0,last_affected=2.0.2.

Is there a fix for CVE-2020-9577?

Yes. magento/community-edition (Packagist): upgrade to 2.3.4-p2 or later; magento/core (Packagist): upgrade to 1.9.4.5 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

Am I affected by CVE-2020-9577?

Check whether you run magento/community-edition (Packagist), magento/core (Packagist) or magento/project-community-edition (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

• magento/community-edition (Packagist): upgrade to 2.3.4-p2 or later

  composer require magento/community-edition:^2.3.4-p2

• magento/core (Packagist): upgrade to 1.9.4.5 or later

  composer require magento/core:^1.9.4.5

Affected products

• magento/community-edition (Packagist) ECOSYSTEM:introduced=0,fixed=2.3.4-p2
• magento/core (Packagist) ECOSYSTEM:introduced=0,fixed=1.9.4.5
• magento/project-community-edition (Packagist) ECOSYSTEM:introduced=0,last_affected=2.0.2

Identifiers

• CVE-2020-9577
• GHSA-689w-2f93-2x67