Magnolia CMS is vulnerable to Stored XSS in import functionality. An attacker with editor privileges can inject arbitrary HTML and JS into the name of uploaded image, which will be rendered/executed when opening uploaded image. The issue was fixed in version 6.3.10
History

Tue, 11 Aug 2026 14:15:00 +0000

Type Values Removed Values Added
First Time appeared Magnolia-cms
Magnolia-cms magnolia Cms
Vendors & Products Magnolia-cms
Magnolia-cms magnolia Cms

Mon, 10 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 10 Aug 2026 13:45:00 +0000

Type Values Removed Values Added
Description Magnolia CMS is vulnerable to Stored XSS in import functionality. An attacker with editor privileges can inject arbitrary HTML and JS into the name of uploaded image, which will be rendered/executed when opening uploaded image. The issue was fixed in version 6.3.10
Title Stored XSS in Magnolia CMS
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: CERT-PL

Published: 2026-08-10T13:00:16.854Z

Updated: 2026-08-10T17:58:41.118Z

Reserved: 2026-07-31T11:05:25.198Z

Link: CVE-2026-18478

cve-icon Vulnrichment

Updated: 2026-08-10T17:58:37.664Z

cve-icon NVD

Status : Deferred

Published: 2026-08-10T14:17:21.403

Modified: 2026-08-28T15:26:19.533

Link: CVE-2026-18478

cve-icon Redhat

No data.