RCE in Raytha
CVE-2025-15540
"Functions" module in Raytha CMS allows privileged users to write custom code to add functionality to application. Due to a lack of sandboxing or access restrictions, JavaScript code executed through Raytha’s “functions” feature can instantiate .NET components and perform arbitrary operations within the application’s hosting environment. This issue was fixed in version 1.4.6.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (38.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Raytha — versions 0
Weakness classification (CWE)
References
- cert.pl/en/posts/2026/03/CVE-2025-69236 (Third Party Advisory, third-party-advisory)
- raytha.com (Product, product)
Frequently asked questions
- What is CVE-2025-15540?
- CVE-2025-15540 is a high-severity vulnerability in Raytha, classified under Code Injection. CVSS score: 8.8/10. Published 2026-03-16.
- How severe is CVE-2025-15540?
- High severity. CVSS v3 base score is 8.8 out of 10.