OptinMonster: Sensitive information exposure
OptinMonster is affected by sensitive information exposure. Exposure depends on how the affected operation is made reachable by the site. Successful exploitation can disclose data that should not be available to the caller.
- Component
- OptinMonster
- Plugin slug
optinmonster- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Nov 01, 2021
This CVE was published Nov 01, 2021 and is one of 6 known issues for this plugin.
Update, patch or deactivate.
Update OptinMonster to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical 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.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
NVD vector: AV:N/AC:L/Au:N/C:P/I:P/A:N