CVE-2021-21030

8.1 highEPSS 5.6%

High (8.1) in magento magento. EPSS 5.6% chance of exploitation in the next 30 days.

Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to a stored cross-site scripting (XSS) in the customer address upload feature. Successful exploitation could lead to arbitrary JavaScript execution in the victim's browser. Exploitation of this issue requires user interaction.

Severity

CVSS 3.0

8.1 high

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

EPSS: 5.6% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-02-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

magento:magento

References

https://helpx.adobe.com/security/products/magento/apsb21-08.html
https://helpx.adobe.com/security/products/magento/apsb21-08.html

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