CVE-2025-32370
Kentico Xperience before 13.0.178 has a specific set of allowed ContentUploader file extensions for unauthenticated uploads; however, because .zip is processed through TryZipProviderSafe, there is additional functionality to create files with other…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.52%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Kentico Xperience before 13.0.178 has a specific set of allowed ContentUploader file extensions for unauthenticated uploads; however, because .zip is processed through TryZipProviderSafe, there is additional functionality to create files with other extensions. NOTE: this is a separate issue not necessarily related to SVG or XSS.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.52% probability · 73th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-912, CWE-434
- Affected
- kentico/xperience
- Source
- cve@mitre.org
References
- https://devnet.kentico.com/download/hotfixesRelease Notes
- https://labs.watchtowr.com/xss-to-rce-by-abusing-custom-file-handlers-kentico-xperience-cms-cve-2025-2748/Exploit, Third Party Advisory
- https://labs.watchtowr.com/xss-to-rce-by-abusing-custom-file-handlers-kentico-xperience-cms-cve-2025-2748/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.