Medium severityNVD Advisory· Published Aug 10, 2026

CVE-2026-18478

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Magnolia/Magnolia CMSllm-fuzzy
Range: <6.3.10

Patches

Vulnerability mechanics

References

cert.pl/en/posts/2026/08/CVE-2026-18478nvd
docs.magnolia-cms.com/product-docs/6.3/releases/release-notes-for-magnolia-cms-6.3.10/nvd
www.magnolia-cms.comnvd

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