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CVE-2021-21029

61
FAUCET Score

CVE-2021-21029 is a Reflected Cross-site Scripting (XSS) vulnerability affecting Adobe Magento versions 2.4.1 and earlier, 2.4.0-p1 and earlier, and 2.3.6 and earlier. This medium-severity vulnerability (CVSS 4.8) requires high privileges (admin console access) and user interaction, allowing an attacker to execute arbitrary JavaScript in the victim's browser. While the FAUCET Risk Score is high at 93/100, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.3.6CPE matchmatch criteria
cpe:2.3:a:magento:magento:*:*:*:*:commerce:*:*:*
< 2.3.6CPE matchmatch criteria
cpe:2.3:a:magento:magento:*:*:*:*:open_source:*:*:*
2.3.6CPE matchmatch criteria
cpe:2.3:a:magento:magento:2.3.6:-:*:*:commerce:*:*:*
2.3.6CPE matchmatch criteria
cpe:2.3:a:magento:magento:2.3.6:-:*:*:open_source:*:*:*
2.4.0CPE matchmatch criteria
cpe:2.3:a:magento:magento:2.4.0:-:*:*:commerce:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.8MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.7
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
84.67%
Probability of exploitation in next 30 days
EPSS Percentile
99.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.8467 is in the 100th percentile among its peer group of 4,931 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

composerpatch availablevia ghsa
Product: magento/community-editionFixed in: 2.3.6-p1
composerpatch availablevia ghsa
Product: magento/community-editionFixed in: 2.4.2
adobevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-jwxh-wj79-ccm6medium

Magento Reflected Cross-site Scripting vulnerability via 'file' parameter

May 24, 2022

References

helpx.adobe.com / security/products/magento/apsb21-08.html
Vendor Advisory