XSS in Kentico 7
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Kentico CMS in version 7 is vulnerable to a Reflected XSS attacks through manipulation of a specific GET request parameter sent to /CMSMessages/AccessDenied.aspx endpoint. Notably, support for this version of Kentico ended in 2016. Version 8 was tested as well and does not contain this vulnerability.
Why it matters now
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-12907
- 2026-10-03 Alias added: GHSA-w8fj-mj3p-j645
References
More Kentico 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-2024-12907 · CVE Program
- CVE-2024-12907 · NVD
- FIRST EPSS
- GHSA-w8fj-mj3p-j645 · 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