Software intelligence
Important: Optin appearing in this catalog does not mean your website is affected. Exposure depends on your installed version. How SiteRespond intelligence works
Tracked advisories
4
Latest advisory
3 July 2026
CISA KEV matches
0
In this WordPress feed
WordPress slug
optin
Plugin
This catalog lists 4 known advisories affecting Optin. The most recent was published on 3 July 2026. If you use this software, compare your installed version against the affected ranges on each advisory and update to a fixed release outside those ranges. SiteRespond Defence checks your actual installed version when the plugin is connected — listing here does not by itself mean your site is vulnerable.
WowOptin <= 1.4.37 - Missing Authorization to Unauthenticated Opt-In Deactivation
This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Published 3 July 2026
WowOptin: Next-Gen Popup Maker <= 1.4.29 - Unauthenticated Server-Side Request Forgery via 'link' Parameter in REST API
This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Published 20 March 2026
WowOptin: Next-Gen Popup Maker – Create Stunning Popups and Optins for Lead Generation <= 1.4.24 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Plugin Installation
This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Published 4 March 2026
Known Optin advisories published by month.
CVE-2026-14603 · Published 3 July 2026
Affected versions: ≤ 1.4.37
CVE-2026-4302 · Published 20 March 2026
Affected versions: ≤ 1.4.29
CVE-2026-1720 · Published 4 March 2026
Affected versions: ≤ 1.4.24
CVE-2026-39700 · Published 1 March 2026
Affected versions: ≤ 1.4.37
SiteRespond Defence matches your installed Optin version against this catalog when the Defence plugin is connected to your WordPress site.