Vulnerability 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.
CVSS Score
LOW
Related Weaknesses (CWE)
References
- https://github.com/devsamuelsantiago/lagom-prototype-pollution-poc/
- https://github.com/devsamuelsantiago/lagom-prototype-pollution-poc/blob/main/lag
- https://vuldb.com/?ctiid.351181
- https://vuldb.com/?id.351181
- https://vuldb.com/?submit.771350
FAQ
What is CVE-2026-4239?
CVE-2026-4239 is a vulnerability with a CVSS score of 3.5 (LOW). 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 pro...
How severe is CVE-2026-4239?
CVE-2026-4239 has been rated LOW with a CVSS base score of 3.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-4239?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.