How severe is CVE-2025-15540?

CVE-2025-15540 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-15540 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-15540?

CVE-2025-15540 affects Raytha. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-15540?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-15540 have an EU (EUVD) identifier?

Yes. CVE-2025-15540 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208697.

When was CVE-2025-15540 published?

CVE-2025-15540 was published on 2026-03-16 and last updated on 2026-06-17.

CVE-2025-15540

CVE-2025-15540 is a high-severity vulnerability in Raytha with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 8.6
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-208697
Weakness: CWE-94
Affected product: Raytha
Published: 2026-03-16
Last modified: 2026-06-17

Description

"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.

Frequently asked questions

What is 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.
How severe is CVE-2025-15540?: CVE-2025-15540 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-15540 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-15540?: CVE-2025-15540 affects Raytha. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-15540?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-15540 have an EU (EUVD) identifier?: Yes. CVE-2025-15540 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208697.
When was CVE-2025-15540 published?: CVE-2025-15540 was published on 2026-03-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:raytha:raytha:*:*:*:*:*:*:*:*

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