Is CVE-2026-78838 being exploited?

No public exploit is currently tracked.

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CVE-2026-78838

Description

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.