CVE-2026-18478Stored XSS in Magnolia CMS
Updated under an hour ago ()
Does this affect you?
It affects Magnolia DXP Magnolia CMS. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 5.1 MEDIUM (v4.0, CNA)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
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- CERT-PL
- NVD analysis
- Deferred
- Record last updated
- Aug 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Magnolia DXP Magnolia CMS magnolia_dxp:magnolia_cms (from the name) | from 6.3.0 before 6.3.10 | CNA record |
References
- https://cert.pl/en/posts/2026/08/CVE-2026-18478third-party-advisory
- https://docs.magnolia-cms.com/product-docs/6.3/releases/release-notes-for-magnolia-cms-6.3.10/release-notes
- https://www.magnolia-cms.com/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.