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8.2
CVSSv3

CVE-2021-39341

Published: 01/11/2021 Updated: 05/08/2022
CVSS v2 Base Score: 6.4 | Impact Score: 4.9 | Exploitability Score: 10
CVSS v3 Base Score: 8.2 | Impact Score: 4.2 | Exploitability Score: 3.9
VMScore: 570
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N

Vulnerability Summary

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.

Vulnerability Trend

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References

CWE-863https://www.wordfence.com/blog/2021/10/1000000-sites-affected-by-optinmonster-vulnerabilities/https://wordfence.com/vulnerability-advisories/#CVE-2021-39341https://plugins.trac.wordpress.org/browser/optinmonster/trunk/OMAPI/RestApi.php?rev=2606519#L1460https://nvd.nist.gov
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-5248CVE-2024-3110CVE-2024-5552CVE-2024-29415HTML injectionCVE-2024-3095TCPtype confusionCVE-2024-1800
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