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CVE-2021-21030

Magento Commerce Stored Cross-site Scripting Could Lead To Arbitrary Javascript Execution

HIGH
8.1
CVSS Score
Published: February 11, 2021 at 07:29 PM UTC
Updated: June 17, 2026 at 03:34 AM UTC
2 products affected across 2 vendorsMagentoMagento Commerce

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Severity
HIGH8.1
Exploit prediction
EPSS 6%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Magento· Magento
95%
v < 2.3.62.3.62.4.02.4.0 p12.4.1
Affected range stops below 2.3.6, so it looks safe — our inference, not a vendor statement
Magento Commerce· Adobe
60%
v ≤ 2.3.6v ≤ 2.4.0-p1v ≤ 2.4.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://helpx.adobe.com/security/products/magento/apsb21-08.html

CVSS

8.1HIGHadobe
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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