Medium severity6.1NVD Advisory· Published Aug 23, 2021· Updated Jun 17, 2026
CVE-2021-24556
CVE-2021-24556
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- cpe:2.3:a:email-subscriber_project:email-subscriber:*:*:*:*:*:wordpress:*:*Range: <=1.1
- WordPress/Email Subscriberdescription
- Range: <=1.1
Patches
Vulnerability mechanics
References
2- codevigilant.com/disclosure/2021/wp-plugin-email-subscriber/nvdExploitThird Party Advisory
- wpscan.com/vulnerability/f050aedc-f79f-4b27-acac-0cdb33b25af8nvdExploitThird Party Advisory
News mentions
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