Stored XSS in Magnolia CMS
Priority LOW 24CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
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
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0046 40th percentileScored 2026-11-07
Fix Fixed Magnolia CMS (Magnolia DXP): 6.3.10
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Magnolia DXP | Magnolia CMS | 6.3.0 to before 6.3.10 | 6.3.10 | Patch available | CNA |
- Magnolia CMS VendorMagnolia DXP Affected 6.3.0 to before 6.3.10 Fixed in 6.3.10 Patch available CNA
Remediation
- Fix · CNA Magnolia CMS (Magnolia DXP) Fixed in 6.3.10
Timeline
- 2026-10-02 Threatist record created from CVE-2026-18478
- 2026-10-03 Alias added: GHSA-jp3f-93v6-xm3f
References
Sources
- CVE-2026-18478 · CVE Program
- CVE-2026-18478 · NVD
- FIRST EPSS
- GHSA-jp3f-93v6-xm3f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences