CVE-2026-4239

LowCVSS 3.5/10Last modified Jun 17, 2026

Description

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 3.1 3.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Mar 16, 2026
Last modified
Jun 17, 2026
NVD status
Deferred

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CVE-2026-4239: Low severity, CVSS 3.5 | Vulnix