Authenticated Path Traversal and Arbitrary File Upload RCE in Kentico Xperience Staging Sync Server
CVE-2025-2749 is an authenticated remote code execution vulnerability in Kentico Xperience caused by improper restriction of file paths in the Staging Sync Server upload functionality. Authenticated users can upload arbitrary data to attacker-controlled path-relative locations, enabling path traversal outside the intended directory. Because the flaw also permits arbitrary file upload, an attacker can place files in locations where the web server or application will process them. If the uploaded content is server-executable, this can lead to remote code execution. The issue affects Kentico Xperience through version 13.0.178.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
11 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A path traversal vulnerability in Kentico Xperience with limited public evidence of widespread exploitation but high abuse potential.
A path traversal vulnerability in Kentico Xperience that allows authenticated users to upload arbitrary data to specific paths via the Staging Sync Server.
A path traversal vulnerability in the Kentico Xperience CMS platform.
The version that knows your environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.