WordPress plugin vulnerabilities

Popup Builder & Popup Maker for WordPress - OptinMonster Email Marketing and Lead Generation vulnerabilities

Known security issues in the Popup Builder & Popup Maker for WordPress - OptinMonster Email Marketing and Lead Generation WordPress plugin, by affected version, with severity, CVE and the version that fixes each one.

Plugin slug
optinmonster
Latest version
2.17.1
Active installs
1,000,000+
Known vulnerabilities
8
Data updated
2026-10-17 09:22 UTC

View on wordpress.org

Check your version

Shown in WordPress under Plugins > Installed Plugins.

This information comes from public vulnerability databases and may be incomplete or out of date. A plugin with no known vulnerabilities is not proof that it is secure; keep plugins updated and remove the ones you do not use.

Fixed in version 2.16.2 (1)

Popup Builder & Popup Maker for WordPress - OptinMonster Email Marketing and Lead Generation: Fixed in version 2.16.2
VulnerabilitySeverityCVSSAffected versionsPublished
Popup Builder by OptinMonster – WordPress Popups for Optins, Email Newsletters and Lead Generation <= 2.16.1 - Authenticated (Contributor+) Stored Cross-Site Scripting
CVE-2024-4045 · Source
Medium5.4< 2.16.22024-05-24

Fixed in version 2.16.0 (1)

Popup Builder & Popup Maker for WordPress - OptinMonster Email Marketing and Lead Generation: Fixed in version 2.16.0
VulnerabilitySeverityCVSSAffected versionsPublished
WordPress OptinMonster Plugin <= 2.15.3 is vulnerable to Cross Site Request Forgery (CSRF)
CVE-2024-33691 · Source
Medium4.3< 2.16.02024-04-26

Fixed in version 2.12.2 (1)

Popup Builder & Popup Maker for WordPress - OptinMonster Email Marketing and Lead Generation: Fixed in version 2.12.2
VulnerabilitySeverityCVSSAffected versionsPublished
OptinMonster <= 2.12.1 - Authenticated (Subscriber+) Sensitive Information Disclosure via Shortcode
CVE-2023-0772 · Source
Medium6.5< 2.12.22023-03-03

Fixed in version 2.6.5 (2)

Popup Builder & Popup Maker for WordPress - OptinMonster Email Marketing and Lead Generation: Fixed in version 2.6.5
VulnerabilitySeverityCVSSAffected versionsPublished
WordPress OptinMonster plugin <= 2.6.4 - Unprotected REST-API to Sensitive Information Disclosure and Unauthorized API access vulnerability
CVE-2021-39341 · Source
High8.2< 2.6.52021-10-27
OptinMonster &lt; 2.6.1 - Reflected Cross-Site Scripting (XSS)
CVE-2021-34650 · Source
Medium6.1< 2.6.52021-09-20

Fixed in version 2.6.1 (1)

Popup Builder & Popup Maker for WordPress - OptinMonster Email Marketing and Lead Generation: Fixed in version 2.6.1
VulnerabilitySeverityCVSSAffected versionsPublished
WordPress OptinMonster plugin <= 2.6.0 - Reflected Cross-Site Scripting (XSS) vulnerability
CVE-2021-39325 · Source
Medium6.1< 2.6.12021-09-20

Fixed in version 1.1.4.6 (2)

Popup Builder & Popup Maker for WordPress - OptinMonster Email Marketing and Lead Generation: Fixed in version 1.1.4.6
VulnerabilitySeverityCVSSAffected versionsPublished
Popup Builder by OptinMonster <= 1.1.4.5 - Remote Code Execution
CVE-2016-10996 · Source
Medium5.3< 1.1.4.62016-01-14
WordPress OptinMonster Plugin <= 1.1.4.5 - Execution of Arbitrary Shortcodes
No CVE assigned · Source
Not rated-< 1.1.4.62016-03-22

Check every plugin on your site automatically

Install the free Webforta WordPress Security plugin and Webforta matches every plugin, theme and WordPress version you run against known vulnerabilities, and tells you when a new one affects your site.

Sources and attribution