FTP Access <= 1.0 - Missing Authorization to Authenticated (Subscriber+) Stored Cross-Site Scripting
Strategic Overview
- Status
- Unpatched
- Affected Plugin
- FTP Access
- Affected Version
<= 1.0- CVSS
- 6.4Medium
- Weakness type
- CWE-862 · Missing Authorization
- CVE
CVE-2023-3510
At a glance
CVE-2023-3510 is a medium-severity Missing Authorization vulnerability in the FTP Access WordPress plugin, affecting versions <= 1.0. It carries a CVSS score of 6.4 (reachable over the network; low attack complexity). Exploitation requires an authenticated account at Subscriber level or above. No fixed release has been reported yet; treat installations running this software as exposed. Disclosed August 2023, reported by Bob Matyas.
Vulnerability Overview
The FTP Access plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the FTPMenu() function hooked via admin_menu in versions up to, and including, 1.0. This makes it possible for authenticated attackers, with subscriber-level permissions, and above to modify the plugin's settings and inject malicious JavaScript that execute whenever a user accesses the injected page.
Technical Analysis
The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no interaction from a victim user.
CWE-862: Missing Authorization
FTP Access <= 1.0 carries this weakness at FTPMenu(), and reaching it takes an account at Subscriber level or above. A missing authorization check means a function is reachable by anyone who can reach the endpoint, because the code never asks whether the caller is allowed to perform the action.
Any user who can reach the endpoint gets to run an action reserved for higher-privileged roles, from reading protected data to changing settings or content. No fixed build of this plugin is recorded for FTP Access yet, so installs running <= 1.0 stay exposed until the vendor ships one.
Remediation
No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
How does WordSec protect against this?
Because it turns on account access, WordSec's login security is the relevant layer: role-based two-factor, captcha and brute-force limits raise the cost of getting the account this needs. No patched version is recorded yet, which is the case where a filtering layer matters most, because there is nothing to update to.
- Login Security
- Alerts
External References
Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C