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Composer JavaScript injection possible via html comments

Moderate severity GitHub Reviewed Published Nov 12, 2019 to the GitHub Advisory Database • Updated Sep 6, 2023

Package

composer magento/community-edition (Composer)

Affected versions

>= 2.2, < 2.2.10
>= 2.3, < 2.3.3

Patched versions

2.2.10
2.3.3

Description

In Magento 2.2 prior to 2.2.10, Magento 2.3 prior to 2.3.3 or 2.3.2-p1, an unauthenticated user can inject arbitrary JavaScript code as a result of the sanitization engine ignoring HTML comments.

References

Reviewed Nov 12, 2019
Published to the GitHub Advisory Database Nov 12, 2019
Last updated Sep 6, 2023

Severity

Moderate
6.1
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weaknesses

CVE ID

CVE-2019-8233

GHSA ID

GHSA-fm68-89m8-4gjj

Source code

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