Is CVE-2026-103339 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-103339?

CVE-2026-103339 has a CVSS v3 severity of MEDIUM (6.5).

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CVE-2026-103339

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Wpmet Metform metform allows Stored XSS.This issue affects Metform: from n/a through 4.3.0.