CVE-2021-393418.2HighCWE-319

CVE-2021-39341: OptinMonster <= 2.6.4 Unprotected REST-API Endpoints

OptinMonster

Vendor fix available · Affected: OptinMonster · Exploitation: check available, not yet exploited

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

21.9%probability of exploitation in the next 30 days

97th percentile

050100

Higher than 97% of scored CVEs

8.2HighCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

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.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

OptinMonster · OptinMonsterfrom 2.6.4 up to and including 2.6.4

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Check available, not yet exploited. A public nuclei template can confirm it on a system you are authorised to test.
CISA KEV: Not listed
Public check: OptinMonster Plugin < 2.6.5 - Unprotected REST-API · nuclei template in projectdiscovery/nuclei-templates
Weakness: Cleartext Transmission of Sensitive Information · Cryptography
Published: November 2021
Band: Check available, not yet exploited, November 2021

CoverageNo articles yet

No CyberSIXT article names CVE-2021-39341 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.