CVE-2025-2746: Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel Vulnerability
CVE-2025-2746 is a critical-severity flaw (CVSS 9.8) affecting xperience, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An authentication bypass vulnerability in Kentico Xperience allows authentication bypass via the Staging Sync Server password handling of empty SHA1 usernames in digest authentication. Authentication bypass allows an attacker to control administrative objects.This issue affects Xperience through 13.0.172.
Why this priority
- Critical severity
- EPSS top 1%: very likely to be exploited
- Exploited in the wild (CISA KEV)
- Public exploit reference
- CISA SSVC: automatable with total technical impact
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 74.1% (top 1%) |
| CISA exploited list | Yes, fix due 2025-11-10 |
| Weakness | CWE-288 |
| Published | 2025-03-24 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Exploited Added to the CISA Known Exploited Vulnerabilities list
- Deadline CISA due date for US federal agencies to patch
- Updated Record last modified
Exact fixes by distribution
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Write-up: devnet.kentico.com/download/hotfixes
- Write-up: www.vulncheck.com/advisories/kentico-xperience-staging-sync-server-digest-password-authent
- Nuclei scan template: Kentico Xperience 13 CMS - Staging Service Authentication Bypass (WT-2025-0011)
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-2746?
xperience: upgrade to newer than 13.0.172. Exact commands for each OS are on this page.
Is CVE-2025-2746 being exploited?
Yes. CVE-2025-2746 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.
What does CVE-2025-2746 affect?
CVE-2025-2746 affects xperience. Severity is critical (CVSS 9.8). An authentication bypass vulnerability in Kentico Xperience allows authentication bypass via the Staging Sync Server password handling of empty SHA1 usernames in digest authentication. Authentication bypass allows an attacker to control adm
How urgent is CVE-2025-2746?
Priority 97/100. Critical severity; EPSS top 1%: very likely to be exploited; Exploited in the wild (CISA KEV); Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action
Related CVEs
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- CVE-2020-36890 HIGH 7.2 UPGRADE An access control bypass vulnerability in Kentico Xperience allows administrators to modify global administrat
- CVE-2025-32370 HIGH 7.2 UPGRADE Kentico Xperience before 13.0.178 has a specific set of allowed ContentUploader file extensions for unauthenti
- CVE-2025-32369 MEDIUM 6.4 UPGRADE Kentico Xperience before 13.0.181 allows authenticated users to distribute malicious content (for stored XSS)
- CVE-2025-2794 HIGH 8.7 UPGRADE An unsafe reflection vulnerability in Kentico Xperience allows an unauthenticated attacker to kill the current