Threat intelligence

WowOptin: Next-Gen Popup Maker <= 1.4.29 - Unauthenticated Server-Side Request Forgery via 'link' Parameter in REST API

CVE-2026-4302 · optin

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

Vulnerability: WowOptin: Next-Gen Popup Maker <= 1.4.29 - Unauthenticated Server-Side Request Forgery via 'link' Parameter in REST API
Affected software: optin(Plugin)
Affected versions: ≤ 1.4.29
Authentication: Unauthenticated
Vulnerability type: Other
CVE: CVE-2026-4302
Published: 20 March 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Source: Data imported from Wordfence Intelligence (advisory b1c3e480-0221-4913-bcce-f34ded9edca8). Methodology and redistribution notes

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