CVE-2026-4239 describes a prototype pollution vulnerability affecting the Datatables component within Lagom WHMCS Template versions up to 2.3.7, allowing for improperly controlled modification of object prototype attributes. This low-severity vulnerability, with a CVSS score of 3.5, requires low privileges and user interaction for remote exploitation, primarily impacting system integrity. Although an exploit has been publicly disclosed, there is no indication of active exploitation in the wild, and no exploits are available in major frameworks like Metasploit or ExploitDB. Community discussion and media coverage are currently absent, and the vendor has not responded to the disclosure.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Lagom | WHMCS Template | 2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.3.4, 2.3.5, 2.3.6, 2.3.7CNA affected |
CVSS version used by this source: 4.0
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/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
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.2 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.