PatchTheCVECVE-2019-25228: An information disclosure vulnerability in Kentico Xperience allows attackers to leak virtual context URLs via
CVE-2019-25228 is a medium-severity flaw (CVSS 5.3) affecting xperience. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An information disclosure vulnerability in Kentico Xperience allows attackers to leak virtual context URLs via the HTTP Referer header when users interact with third-party domains. Sensitive virtual context information can be exposed to external domains through page builder interactions and link/image loading.
Why this priority
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 78%) |
| CISA exploited list | No |
| Weakness | CWE-497 |
| Published | 2025-12-18 |
| 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
- Updated Record last modified
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-2019-25228?
xperience: upgrade to newer than 12.0.47. Exact commands for each OS are on this page.
Is CVE-2019-25228 being exploited?
CVE-2019-25228 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2019-25228 affect?
CVE-2019-25228 affects xperience. Severity is medium (CVSS 5.3). An information disclosure vulnerability in Kentico Xperience allows attackers to leak virtual context URLs via the HTTP Referer header when users interact with third-party domains. Sensitive virtual context information can be exposed to ext
How urgent is CVE-2019-25228?
Priority 29/100. Remotely exploitable, no login, no user action
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