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CVE-2020-9577

22
FAUCET Score

CVE-2020-9577 is a stored cross-site scripting (XSS) vulnerability affecting multiple versions of Magento, including 2.3.4 and earlier, 2.2.11 and earlier, 1.14.4.4 and earlier, and 1.9.4.4 and earlier. This vulnerability has a CVSS score of 6.1 (Medium), indicating it can be exploited remotely with low complexity, requiring user interaction, and potentially leading to sensitive information disclosure. While there is no evidence of active exploitation (KEV) or public exploit code (Metasploit, Nuclei, ExploitDB), it has garnered significant community discussion and media coverage, suggesting awareness within the security community.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.9.4.4CPE matchmatch criteria
cpe:2.3:a:magento:magento:*:*:*:*:community:*:*:*
<= 1.14.4.4CPE matchmatch criteria
cpe:2.3:a:magento:magento:*:*:*:*:enterprise:*:*:*
>= 2.2.0, <= 2.2.11CPE matchmatch criteria
cpe:2.3:a:magento:magento:*:*:*:*:commerce:*:*:*
>= 2.2.0, <= 2.2.11CPE matchmatch criteria
cpe:2.3:a:magento:magento:*:*:*:*:open_source:*:*:*
>= 2.3.0, <= 2.3.4CPE matchmatch criteria
cpe:2.3:a:magento:magento:*:*:*:*:commerce:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.50%
Probability of exploitation in next 30 days
EPSS Percentile
71.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0150 is in the 84th percentile among its peer group of 26,236 CVEs.

Social Chatter

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

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

composerpatch availablevia ghsa
Product: magento/coreFixed in: 1.9.4.5
composerpatch availablevia ghsa
Product: magento/community-editionFixed in: 2.3.4-p2
adobevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-689w-2f93-2x67medium

Magento stored cross-site scripting vulnerability

May 24, 2022

References

helpx.adobe.com / security/products/magento/apsb20-22.html
Vendor Advisory