Cross-site scripting in WordPress Post Duplicator Plugin
Priority LOW 25CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
A cross-site scripting (XSS) attack can cause arbitrary code (JavaScript) to run in a user's browser and can use an application as the vehicle for the attack. The XSS payload given in the "Duplicate Title" text box executes whenever the user opens the Settings Page of the Post Duplicator Plugin or the application root page after duplicating any of the existing posts.
Why it matters now
EPSS 0.00636 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | WordPress Post Duplicator Plugin | Version 2.23 | — | No fix listed | CNA |
- WordPress Post Duplicator Plugin Vendor— Affected Version 2.23 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:metaphorcreations:post_duplicator:2.23:*:*:*:*:wordpress:*:* | 2.23 | Vulnerable | metaphorcreations |
- cpe:2.3:a:metaphorcreations:post_duplicator:2.23:*:*:*:*:wordpress:*:* Versions 2.23 Vulnerable ·metaphorcreations
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-33852
- 2026-10-03 Alias added: GHSA-7883-f6f2-8g89
- 2026-10-25 EPSS moved to the 50th–90th percentile
References
More metaphorcreations Post Duplicator vulnerabilities
- TI-2016-09147 meta4creations Post Duplicator Plugin notices.php mtphr_post_duplicator_notice cross site scripting CVSS 3.1MEDIUM 6.1
- TI-2024-11572 Post Duplicator <= 2.36 - Authenticated (Contributor+) Protected Post Disclosure CVSS 3.1MEDIUM 4.3
- TI-2025-18453 WordPress Post Duplicator plugin <= 2.35 - Broken Access Control vulnerability CVSS 3.1MEDIUM 4.3
- TI-2023-27239 WordPress Post Duplicator plugin <= 2.31 - Broken Access Control vulnerability CVSS 3.1MEDIUM 4.3
Sources
- CVE-2021-33852 · CVE Program
- CVE-2021-33852 · NVD
- FIRST EPSS
- GHSA-7883-f6f2-8g89 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences