Threat intelligence

Ninja Forms <= 3.10.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via CSTI

CVE-2025-5398 · ninja-forms

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Ninja Forms at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Ninja Forms <= 3.10.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via CSTI
Affected software: ninja-forms(Plugin)
Affected versions: ≤ 3.10.2.1
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2025-5398
Published: 26 June 2025
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory 92d106c6-a910-4f41-94d1-59f6b7f3aeb0). Methodology and redistribution notes

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