What is CVE-2021-21029?

CVE-2021-21029 is a medium-severity vulnerability in Adobe Magento Commerce, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-02-11.

How severe is CVE-2021-21029?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Is CVE-2021-21029 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Adobe Magento Commerce

CVE-2021-21029

Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are affected by a Reflected Cross-site Scripting vulnerability via 'file' parameter. Successful exploitation could lead to arbitrary JavaScript execution…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.847 (99.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Adobe Magento Commerce — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

helpx.adobe.com/security/products/magento/apsb21-08.html (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-21029?: CVE-2021-21029 is a medium-severity vulnerability in Adobe Magento Commerce, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-02-11.
How severe is CVE-2021-21029?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2021-21029 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.