Kentico Xperience - RCE (CVE-2025-2748)
Active exploitation with moderate targeting or momentum
Prioritize patching. Consider deploying a blocklist for affected CVEs.
Description
The Kentico Xperience application does not fully validate or filter files uploaded via the multiple-file upload functionality, which allows for stored XSS.This issue affects Kentico Xperience through 13.0.178.
psychologyCrowdSec Analysis
CVE-2025-2748 is a vulnerability in Kentico Xperience that permits stored cross-site scripting (XSS) due to insufficient validation of files uploaded through the application's multiple-file upload functionality.
CrowdSec has been tracking this vulnerability and its exploits since 1st of April 2025.
CrowdSec network observations suggest that most exploitation of CVE-2025-2748 involves focused reconnaissance to identify viable targets. Attackers typically tailor their campaigns based on system exposure and configuration. It is unlikely that a given attack is accidental. CrowdSec network telemetry also shows that exploitation of CVE-2025-2748 has significantly declined over the past week. Attack volumes are well below the long-term average, suggesting attackers are rapidly losing interest. The vulnerability appears to be falling out of active use across most threat landscapes.
Observed exploitation attempts typically involve requests to URLs containing /cmsmodules/content/cmspages/multifileuploader.ashx.
Exploitation Timeline
groupSignals collected from the CrowdSec community network.
| Event | Date |
|---|---|
| CrowdSec First Seen | 2025-02-18 |
| CVE Published | 2025-03-24 |
| Rule Released | 2025-04-01 |
Active Attackers
Unique IPs observed exploiting this CVE in the last 14 days.
Related Weaknesses
The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Remediation & Protection
codeAPI Access
Retrieve full intelligence data for CVE-2025-2748