Duplicate Post WordPress Plugin <= 1.1.9 — SQL Injection
CVE-2021-43408Published · Updated Action summary
Affected: <1.2.0Update to 1.2.0 or newer
All remediation steps- Severity
- Medium6.5
- CVSS
- 6.5CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:HPrivileges required- High
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:HIntegrity- High
A:NAvailability- None
- Weakness
- CWE-89 SQL Injection
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Duplicate Post copy-delete-posts
- Affected< 1.2.0
- Patched in1.2.0
Update to 1.2.0 or newer.
You are affected if you run < 1.2.0. Version 1.2.0 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Duplicate Post.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 1.2.0, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Duplicate Post to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence.
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.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in Duplicate Post
All 8| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.4 | Authenticated (Subscriber+) Stored Cross-Site Scripting via 'noti_token' Parameter ≤1.5.6Update to 1.5.7 | CVE-2026-89424 | |
| Medium4.3 | Missing Authorization <1.5.6Update to 1.5.6 | CVE-2026-19085 | |
| Medium4.3 | Missing Authorization <1.5.6Update to 1.5.6 | CVE-2026-19435 | |
| Medium4.3 | Missing Authorization ≤1.4.1Update to 1.4.2 | CVE-2024-31435 | |
| Medium6.3 | Cross-Site Request Forgery via 'cdp_action_handling' AJAX action ≤1.4.1Update to 1.4.2 | — |
- Medium6.4Authenticated (Subscriber+) Stored Cross-Site Scripting via 'noti_token' Parameter
≤1.5.6Update to 1.5.7
- Medium4.3Missing Authorization
<1.5.6Update to 1.5.6
- Medium4.3Missing Authorization
<1.5.6Update to 1.5.6
- Medium4.3Missing Authorization
≤1.4.1Update to 1.4.2
- Medium6.3Cross-Site Request Forgery via 'cdp_action_handling' AJAX action
≤1.4.1Update to 1.4.2
Same weakness (SQL Injection)
All SQL Injection| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header | CVE-2026-120688 | |
| Critical9.8 | Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission | CVE-2026-125055 | |
| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
| Medium5.3 | Unauthenticated Sensitive Information Exposure in 'search' Parameter | CVE-2026-121518 |
- High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup
≤5.25.25Update to 5.26.45
- Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder
≤1.0.2Update to 1.1
- Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System
≤3.3.9Update to 3.4.0
- Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce
≤5.127.0Update to 5.128.0
Timeline
CVE published
Severity medium, CVSS 6.5
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- [object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.