CVE-2021-43408 Duplicate Post WordPress Plugin SQL Injection Vulnerability
Authenticated users with plugin access can exploit SQL injection to read, modify, or delete database data in the Duplicate Post WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-43408?
CVE-2021-43408 is a medium-severity SQL injection vulnerability in Copy Delete Posts Duplicate Post WordPress Plugin, published on 19 Nov 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The "Duplicate Post" WordPress plugin up to and including version 1.1.9 is vulnerable to SQL Injection. SQL injection vulnerabilities occur when client supplied data is included within an SQL Query insecurely. SQL Injection can typically be exploited to read, modify and delete SQL table data. In many cases it also possible to exploit features of SQL server to execute system commands and/or access the local file system. This particular vulnerability can be exploited by any authenticated user who has been granted access to use the Duplicate Post plugin. By default, this is limited to Administrators, however the plugin presents the option to permit access to the Editor, Author, Contributor and Subscriber roles.
Weakness: CWE-89
Which versions are affected by CVE-2021-43408?
It affects 1 product.
Products include Duplicate Post Project Duplicate Post.
How do I fix CVE-2021-43408?
No fix has been published for CVE-2021-43408 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2021-43408 being exploited?
There is no known exploitation of CVE-2021-43408 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Copy Delete Posts Duplicate Post WordPress Plugin
Sources
Also known as GHSA-p6r2-qh95-8h4m.