CVE-2026-18478: CWE-79 Improper neutralization of input during web page generation ('cross-site scripting') in Magnolia DXP Magnolia CMS
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
CVE-2026-18478: CWE-79 Improper neutralization of input during web page generation ('cross-site scripting') in Magnolia DXP Magnolia CMS
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
CVSS v4.0
Score 5.1medium
Affected software
pkg:maven/info.magnolia/magnolia-cmsRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- CERT-PL
- Date Reserved
- 2026-07-31T11:05:25.198Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a79d51fbf8831d539c5a8a0
Added to database: 08/10/2026, 13:41:51 UTC
Last updated: 08/10/2026, 18:12:20 UTC
Views: 6
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