CVE-2026-78838

A reflected cross-site scripting (XSS) vulnerability in the grid_datasource.php component of AppNitro MachForm v30 allows attackers to execute arbitrary Javascript in the context of the victim's browser via injecting a crafted payload into the filter[filters][0][field] parameter.

• Published Sep 8, 2026
• CVSS 6.5 medium
• 0.4% chance of exploitation in the next 30 days (EPSS)

CVE-2026-78838 at the National Vulnerability Database