๐Ÿ” CVE Alert

CVE-2023-54423

HIGH 7.5

OpenMage magento-lts before 20.2.0 Stored XSS via TinyMCE WYSIWYG Editor

CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th

OpenMage magento-lts before 20.2.0 contains a stored cross-site scripting vulnerability because the TinyMCE WYSIWYG editor fails to filter scripts in specially crafted HTML tags. Attackers can inject an img element with a malicious onmouseover attribute to execute scripts in the browsers of users viewing the rendered content.

CWE CWE-82
Vendor openmage
Product magento-lts
Published Nov 13, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
Low
Availability
Low

Affected Versions

OpenMage / magento-lts
0 < 20.2.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/OpenMage/magento-lts/security/advisories/GHSA-9j5w-2cqc-cwj9 vulncheck.com: https://www.vulncheck.com/advisories/openmage-magento-lts-before-20.2.0-stored-xss-via-tinymce-wysiwyg-editor

Credits

halitAKAYDIN