OptinMonster <= 2.6.4 - Unprotected REST-API Endpoints

2021-11-01 09:02

Chloe Chamberland

Strategic Overview

Status

Patched in 2.6.5

Affected PluginPopup Builder & Popup Maker for WordPress – OptinMonster Email Marketing and Lead Generation

Affected Version<= 2.6.4

CVSS8.2High

CVECVE-2021-39341

View all Popup Builder & Popup Maker for WordPress – OptinMonster Email Marketing and Lead Generation vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: Update to version 2.6.5, or a newer patched version --- IDENTIFIER: CWE-285 (Improper Authorization) The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

External References

https://www.cve.org/CVERecord?id=CVE-2021-39341 https://www.wordfence.com/threat-intel/vulnerabilities/id/77eb40c2-735a-49f2-9d07-5cf7535bd722

CVSS Vector

8.2

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityLow
AvailabilityNone

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