CVE-2020-36854: Async JavaScript <= 2.19.07.14 - Authenticated (Subscriber+) Stored Cross-Site Scripting
The Async JavaScript plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.19.07.14. This is due to missing authorization checks on the ajsteps AJAX aciton along with a lack on sanitization on the settings saved via the function. This makes it possible for authenticated attackers with subscriber level permissions and above to inject malicious web scripts into a page that execute whenever a user accesses that page.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2020-36854?
CVE-2020-36854 has a high severity ranking due to its potential for Stored Cross-Site Scripting attacks.
How do I fix CVE-2020-36854?
To fix CVE-2020-36854, update the Async JavaScript plugin to version 2.19.07.15 or later.
What versions are affected by CVE-2020-36854?
CVE-2020-36854 affects all versions of the Async JavaScript plugin up to and including 2.19.07.14.
What are the consequences of not addressing CVE-2020-36854?
Failing to address CVE-2020-36854 can lead to unauthorized script execution and potential site takeover.
Is user input affected by CVE-2020-36854?
Yes, CVE-2020-36854 can exploit user input due to inadequate sanitization on saved settings.