Vulnerability Description
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 aj_steps 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://www.wordfence.com/blog/2020/02/site-takeover-campaign-exploits-multiple-
- https://www.wordfence.com/threat-intel/vulnerabilities/id/b133888c-7673-4796-917
FAQ
What is CVE-2020-36854?
CVE-2020-36854 is a vulnerability with a CVSS score of 6.4 (MEDIUM). 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 aj_steps AJAX a...
How severe is CVE-2020-36854?
CVE-2020-36854 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-36854?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.