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CVE-2025-15540: Raytha Code Injection (CVSS 8.6)

CVE-2025-15540 is a high severity code injection in Raytha with a CVSS score of 8.6. Apply the vendor fix and confirm exposure on internet facing and business critical assets first.

Last updated: Jun 17, 2026

Quick answer

Direct answer

CVE-2025-15540 is a high severity code injection in Raytha with a CVSS score of 8.6. Apply the vendor fix and confirm exposure on internet facing and business critical assets first.

Risk scores

CVSS base score
8.6HIGH
EPSS probability
0.49%
Higher than 40 percent of all CVEs
CISA KEV
Not listed
CVSS metricWhat it means
Attack vector (AV:N)Network: reachable remotely
Attack complexity (AC:L)Low complexity
Attack requirements (AT:N)No attack requirements
Privileges required (PR:H)High privileges required
User interaction (UI:N)No user interaction
Confidentiality (VC:H)High confidentiality impact
Integrity (VI:H)High integrity impact
Availability (VA:H)High availability impact

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

About Raytha

CVE-2025-15540 affects Raytha, a product from Raytha. Before acting, confirm where Raytha runs in your estate, who owns it and whether it is reachable from the internet, because exposure decides real risk more than the score alone.

What the flaw is

In plain terms: "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.

The weakness class is Code Injection. Attacker input is executed as program code.

Based on its CVSS vector, the flaw can be reached over the network, needs some level of access, and needs no user interaction. Apply the vendor fix and confirm exposure on internet facing and business critical assets first.

Affected versions and timeline

FieldDetail
ProductRaytha
Affected versionsRaytha before 1.4.6
PublishedMar 16, 2026
Last modifiedJun 17, 2026
Added to CISA KEVNot listed
Assigning CNAcvd@cert.pl

How to detect it

  • Inventory every instance of Raytha and record the running version against the affected range above.
  • Check external attack surface scans for internet facing instances of the component.
  • Review logs on affected systems for unusual requests, errors or new processes around the vulnerable function.
  • Confirm with an authenticated vulnerability scan once your scanner has a check for this CVE.

How to fix it

  • Apply the fixed version of Raytha named in the vendor advisory.
  • If patching must wait, restrict network access to the affected service and put it behind authentication or a web application firewall rule.
  • Rescan after the change to prove the exposure is gone, then close the ticket.

CTEM action plan

CTEM stageWhat to do for this CVE
ScopeAdd every business service that depends on Raytha to the current CTEM cycle.
DiscoverFind all instances, including shadow and cloud deployments, and record versions and exposure.
PrioritizeRank using EPSS and CVSS together with asset exposure and business impact.
ValidateConfirm the flaw is reachable and exploitable in your environment and that compensating controls work.
MobilizeAssign the fix to the asset owner with a due date matched to the priority, then verify closure.

CWE References

Technical References

Frequently asked questions

CVE-2025-15540 is a high severity code injection in Raytha with a CVSS score of 8.6. Apply the vendor fix and confirm exposure on internet facing and business critical assets first.

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