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Magento DOM-based Cross-site scripting vulnerability

Critical severity GitHub Reviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Jan 11, 2024

Package

composer magento/community-edition (Composer)

Affected versions

< 2.3.5-p2

Patched versions

2.3.5-p2

Description

Magento versions 2.3.5-p1 and earlier, and 2.3.5-p1 and earlier have a dom-based cross-site scripting vulnerability. Successful exploitation could lead to arbitrary code execution.

References

Published by the National Vulnerability Database Jul 29, 2020
Published to the GitHub Advisory Database May 24, 2022
Reviewed Jan 11, 2024
Last updated Jan 11, 2024

Severity

Critical

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(72nd percentile)

Weaknesses

CVE ID

CVE-2020-9691

GHSA ID

GHSA-g7pc-799q-743f

Source code

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