CVE-2021-39341
high · 8.2A public exploit / detection template exists
Weaponised detection is publicly available, which meaningfully raises real-world risk regardless of CVSS. nuclei-templates →
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.
8.2
CVSS
21.9%
EPSS (exploit prob.)
98th
EPSS percentile
2021-11-01
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Weaknesses
CWE-285CWE-319CWE-863
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| optinmonster | optinmonster | <= 2.6.4 |
Check a specific version with /api/v1/cve/match.
References
- https://plugins.trac.wordpress.org/browser/optinmonster/trunk/OMAPI/RestApi.php?rev=2606519#L1460
- https://wordfence.com/vulnerability-advisories/#CVE-2021-39341
- https://www.wordfence.com/blog/2021/10/1000000-sites-affected-by-optinmonster-vulnerabilities/
- https://plugins.trac.wordpress.org/browser/optinmonster/trunk/OMAPI/RestApi.php?rev=2606519#L1460
- https://wordfence.com/vulnerability-advisories/#CVE-2021-39341
- https://www.wordfence.com/blog/2021/10/1000000-sites-affected-by-optinmonster-vulnerabilities/
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2021-39341