CVE-2021-4365 Frontend File Manager <= 18.2 - Unauthenticated Stored Cross-Site Scripting
Unauthenticated attackers can inject arbitrary scripts via the file manager plugin, leading to potential account takeover or malicious code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-4365?
CVE-2021-4365 is a high-severity cross-site scripting vulnerability in nmedia Frontend File Manager Plugin, published on 7 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Frontend File Manager plugin for WordPress is vulnerable to Unauthenticated Stored Cross-Site Scripting in versions up to, and including, 18.2. This is due to lacking authentication protections and santisation all on the wpfm_edit_file_title_desc AJAX action. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Weakness: CWE-79
Which versions are affected by CVE-2021-4365?
It affects 1 product.
Products include Najeebmedia Frontend File Manager Plugin.
How do I fix CVE-2021-4365?
No fix has been published for CVE-2021-4365 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-4365 being exploited?
There is no known exploitation of CVE-2021-4365 in the wild and no public exploit code.
Other vulnerabilities in nmedia Frontend File Manager Plugin
- CVE-2021-4368 Frontend File Manager <= 18.2 - Authenticated Settings Change leading to Arbitrary File Upload
- CVE-2021-4356 Frontend File Manager <= 18.2 - Unauthenticated Arbitrary File Download
- CVE-2021-4350 Frontend File Manager <= 18.2 - Unauthenticated HTML Injection leading to Spam Emails
- CVE-2023-5105 Frontend File Manager < 22.6 - Editor+ Arbitrary File Download
- CVE-2021-4359 Frontend File Manager Plugin <= 18.2 - Unauthenticated Arbitrary Post Deletion
Sources
Also known as GHSA-j7rg-f8wp-8crf.