CVE-2021-39325

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CVSS 3.1

6.1 medium

EPSS

<1%p58

Published

Sep 20, 2021 (Sep 20, 2021)

Modified

Jun 17, 2026

Description

The OptinMonster WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to insufficient input validation in the load_previews function found in the ~/OMAPI/Output.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 2.6.0.

Vendors: optinmonster
Products: optinmonster
Ecosystems: WordPress
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.9%)

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