Kentico Xperience - RCE (CVE-2025-2748)
150Exploiting IPs reported
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.
CrowdSec 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.
According to CrowdSec data, while opportunistic exploitation dominates, a portion of threat actors trying to exploit CVE-2025-2748 apply basic targeting methods such as port or service detection. This indicates emerging patterns of selective targeting. CrowdSec data also reveals a clear uptick in attacks involving CVE-2025-2748 over the past week. Activity is above the usual baseline, suggesting growing attention from attackers. This may reflect rising awareness, recent exploit releases, or expanded targeting efforts.
Observed exploitation attempts typically involve requests to URLs containing /cmsmodules/content/cmspages/multifileuploader.ashx.
Exploitation
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Common Weakness Enumeration (CWE)
Protection
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Blocklist
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