Magento Commerce versions 2.4.2 (and earlier), 2.4.2-p1 (and earlier) and 2.3.7 (and earlier) are affected by a stored cross-site scripting vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim’s browser when they browse to the page containing the vulnerable field.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-36027
• https://helpx.adobe.com/security/products/magento/apsb21-64.html