CVE Vulnerability

CVE-2021-39341

The OptinMonster WordPress plugin is vulnerable to sensitive information disclosure and unauthorized setting updates due to insufficient authorization validation via the logged_in_or_has_api_key function in the ~/OMAPI/RestApi.php file that can used to exploit inject malicious web scripts on sites with the plugin installed. This affects versions up to, and including, 2.6.4.

6.4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

8.2 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://www.wordfence.com/blog/2021/10/1000000-sites-affected-by-optinmonster-vulnerabilities/ Exploit Third Party Advisory
https://wordfence.com/vulnerability-advisories/#CVE-2021-39341 Third Party Advisory
https://plugins.trac.wordpress.org/browser/optinmonster/trunk/OMAPI/RestApi.php?rev=2606519#L1460 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:optinmonster:optinmonster:*:*:*:*:*:wordpress:*:*
Information

Published : 2021-11-01 09:15

Updated : 2022-08-05 11:03

NVD link : CVE-2021-39341

Mitre link : CVE-2021-39341

Products Affected
No products.
CWE
CWE-863