SQL Injection in Copy Delete Posts Duplicate Post WordPress Plugin
CVE-2021-43408
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.
Vulnerability class: SQL Injection
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.097 (95.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.095 · newest: 0.097 · change: +0.001
Affected products
- Copy Delete Posts Duplicate Post WordPress Plugin — versions unspecified
- Duplicate Post Project
Weakness classification (CWE)
Public proof-of-concept exploits
References
- plugins.trac.wordpress.org/browser/copy-delete-posts/tags/1.2.0/post/handler.php (Third Party Advisory)
- appcheck-ng.com/security-advisory-duplicate-post-wordpress-plugin-sql-injection… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-43408?
- CVE-2021-43408 is a medium-severity vulnerability in Copy Delete Posts Duplicate Post WordPress Plugin, classified under SQL Injection. CVSS score: 6.5/10. Published 2021-11-19.
- How severe is CVE-2021-43408?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-43408 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.