Vulnerability · Published Aug 23, 2021 · Assigned by WPScan

CVE-2021-24556Email Subscriber <= 1.1 - Unauthenticated Stored Cross-Site Scripting (XSS)

Medium 6.1

In plain English

A medium-severity cross-site scripting in Email Subscriber from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 72% of all known vulnerabilities).

Severity (CVSS NVD)6.1Medium
Exploit odds (30 days)1.3%top 28.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Unknown Email Subscriber 1.1 – through 1.1

Weakness: CWE-79

References