Vulnerability Description
The kento_email_subscriber_ajax AJAX action of the Email Subscriber WordPress plugin through 1.1, does not properly sanitise, validate and escape the submitted subscribe_email and subscribe_name POST parameters, inserting them in the DB and then outputting them back in the Subscriber list (/wp-admin/edit.php?post_type=kes_campaign&page=kento_email_subscriber_list_settings), leading a Stored XSS issue.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Email-Subscriber Project | Email-Subscriber | <= 1.1 |
Related Weaknesses (CWE)
References
- https://codevigilant.com/disclosure/2021/wp-plugin-email-subscriber/ExploitThird Party Advisory
- https://wpscan.com/vulnerability/f050aedc-f79f-4b27-acac-0cdb33b25af8ExploitThird Party Advisory
- https://codevigilant.com/disclosure/2021/wp-plugin-email-subscriber/ExploitThird Party Advisory
- https://wpscan.com/vulnerability/f050aedc-f79f-4b27-acac-0cdb33b25af8ExploitThird Party Advisory
FAQ
What is CVE-2021-24556?
CVE-2021-24556 is a vulnerability with a CVSS score of 6.1 (MEDIUM). The kento_email_subscriber_ajax AJAX action of the Email Subscriber WordPress plugin through 1.1, does not properly sanitise, validate and escape the submitted subscribe_email and subscribe_name POST ...
How severe is CVE-2021-24556?
CVE-2021-24556 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-24556?
Check the references section above for vendor advisories and patch information. Affected products include: Email-Subscriber Project Email-Subscriber.