CVE-2026-4239 PUBLISHED

Lagom WHMCS Template Datatables prototype pollution

Assigner: VulDB
Reserved: 15.03.2026 Published: 16.03.2026 Updated: 16.03.2026

A vulnerability was found in Lagom WHMCS Template up to 2.3.7. Impacted is an unknown function of the component Datatables. The manipulation results in improperly controlled modification of object prototype attributes. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
CVSS Score: 5.1

Product Status

Vendor Lagom
Product WHMCS Template
Versions
  • Version 2.3.0 is affected
  • Version 2.3.1 is affected
  • Version 2.3.2 is affected
  • Version 2.3.3 is affected
  • Version 2.3.4 is affected
  • Version 2.3.5 is affected
  • Version 2.3.6 is affected
  • Version 2.3.7 is affected

Credits

  • s4nnty (VulDB User) reporter
  • VulDB coordinator

References

Problem Types

  • Improperly Controlled Modification of Object Prototype Attributes CWE
  • Code Injection CWE