Riskcovery

CVE-2021-39341

OptinMonster <= 2.6.4 Unprotected REST-API Endpoints

State
Published
Severity
8.2 High
Published
Nov 1, 2021
Updated
Mar 31, 2025
Reserved
Aug 20, 2021

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.18.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:NWordfence

Weaknesses

  • CWE-285 Improper Authorization
  • CWE-319 Cleartext Transmission of Sensitive Information

Affected Products

ProductVersions
OptinMonsterOptinMonster
  • 2.6.4 through 2.6.4Affected

References

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