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CVE-2026-4239

LOW

3.5

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.

CVE Details

CVSS v3.1 Score3.5

SeverityLOW

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionREQUIRED

Published3/16/2026

Last Modified3/16/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-94CWE-1321

References

https://github.com/devsamuelsantiago/lagom-prototype-pollution-poc/(cna@vuldb.com)

https://github.com/devsamuelsantiago/lagom-prototype-pollution-poc/blob/main/lagom-prototype-pollution-poc.js(cna@vuldb.com)

https://vuldb.com/?ctiid.351181(cna@vuldb.com)

https://vuldb.com/?id.351181(cna@vuldb.com)

https://vuldb.com/?submit.771350(cna@vuldb.com)

IOC Correlations

No correlations recorded

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