Kentico Xperience <= 12.0.29 MVC Forms Unrestricted File Upload
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
An unrestricted file upload vulnerability in Kentico Xperience allows authenticated users with 'Read data' permissions to upload arbitrary file types via MVC form file uploader components. Attackers can manipulate file names and upload potentially malicious files to the system, enabling unauthorized file uploads.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-25229
- 2026-10-03 Alias added: GHSA-v6gf-3m9q-j3wr
References
Patch 1
More Kentico Xperience vulnerabilities
- TI-2025-02400 Kentico Xperience <= 13.0.178 Staging Sync Server None Password Type Authentication Bypass KEVCVSS 3.1CRITICAL 9.8
- TI-2025-02399 Kentico Xperience <= 13.0.172 Staging Sync Server Digest Password Authentication Bypass KEVCVSS 3.1CRITICAL 9.8
- TI-2019-07394 An issue was discovered in Kentico 12.0.x before 12.0.15, 11.0.x before 11.0.48, 10.0.x… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-02402 Kentico Xperience <= 13.0.178 Staging Media File Upload Authenticated RCE KEVCVSS 3.1HIGH 7.2
- TI-2025-23449 Unrestricted file upload in Kentico Xperience CVSS 3.1CRITICAL 9.8
- TI-2017-12981 Kentico 9.0 before 9.0.51 and 10.0 before 10.0.48 allows remote attackers to obtain… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2019-25229 · CVE Program
- CVE-2019-25229 · NVD
- FIRST EPSS
- GHSA-v6gf-3m9q-j3wr · 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