Threat intelligence

Form Maker by 10Web <= 1.15.40 - Unauthenticated Stored Cross-Site Scripting via Matrix Field Text Box

CVE-2026-4388 · form-maker

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

Vulnerability: Form Maker by 10Web <= 1.15.40 - Unauthenticated Stored Cross-Site Scripting via Matrix Field Text Box
Affected software: form-maker(Plugin)
Affected versions: ≤ 1.15.40
Authentication: Unauthenticated
Vulnerability type: Cross-site scripting
CVE: CVE-2026-4388
Published: 13 April 2026
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 197449f5-9304-49df-9261-a354145fc00e). Methodology and redistribution notes

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