CVE-2021-39325 MEDIUM

CVE-2021-39325: OptinMonster <= 2.6.0 Reflected Cross-Site Scripting

Vendor Optinmonster
Product OptinMonster
Weakness CWE-79 · XSS
Published September 20, 2021
Last update March 31, 2025
View on NVD All CVEs

CVSS base score

6.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 20, 2021 CVE published
March 31, 2025 Record updated