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Duplicate Post <= 1.4.1 — Cross-Site Request Forgery via 'cdp_action_handling' AJAX action

a8c8d839-d2a4-4b2a-ad61-a3cda7826636Published · Updated

Action summary

Affected: ≤1.4.1Update to 1.4.2 or newer

All remediation steps
Watch plugin
Severity
Medium6.3
CVSS
6.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:R User interaction
Required
S:U Scope
Unchanged
C:L Confidentiality
Low
I:L Integrity
Low
A:L Availability
Low
Weakness
CWE-352 CSRF
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Duplicate Post copy-delete-posts

  1. Affected≤ 1.4.1
  2. Patched in1.4.2

Update to 1.4.2 or newer.

You are affected if you run ≤ 1.4.1. Version 1.4.2 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.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 1.4.2, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Duplicate Post to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence.

The Duplicate Post plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.4.1. This is due to missing or incorrect nonce validation on the 'cdp_action_handling' AJAX action. This makes it possible for unauthenticated attackers to change plugin settings, duplicate posts, and make use of other restricted functionalities via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Duplicate Post

All 8
More vulnerabilities in Duplicate Post
SeverityVulnerabilityCVEPublished
Medium6.4Authenticated (Subscriber+) Stored Cross-Site Scripting via 'noti_token' Parameter
≤1.5.6Update to 1.5.7
CVE-2026-89424
Medium4.3Missing Authorization
<1.5.6Update to 1.5.6
CVE-2026-19085
Medium4.3Missing Authorization
<1.5.6Update to 1.5.6
CVE-2026-19435
Medium4.3Missing Authorization
≤1.4.1Update to 1.4.2
CVE-2024-31435
Medium4.3Missing Authorization on handle_installation function
≤1.2.7Update to 1.2.8
CVE-2023-0958

Same weakness (CSRF)

All CSRF
Other CSRF vulnerabilities
SeverityVulnerabilityCVEPublished
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
CVE-2026-120688
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
CVE-2026-125055
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
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity medium, CVSS 6.3

  2. Record last updated

Sources & licenses

Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
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.

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