CVE-2021-33852
A cross-site scripting (XSS) attack can cause arbitrary code (javascript) to run in a user’s...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-33852- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-33852- Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-20526 No score
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.
- Record
EUVD-2021-20526- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7883-f6f2-8g89
A cross-site scripting (XSS) attack can cause arbitrary code (javascript) to run in a user’s...
A cross-site scripting (XSS) attack can cause arbitrary code (javascript) to run in a user’s browser while the browser is connected to a trusted website. The application targets your application’s users and not the application itself, but it uses your application as the vehicle for the attack. The XSS payload 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.
- Record
GHSA-7883-f6f2-8g89- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-33852 is a medium vulnerability (CVSS 5.4) in Metaphorcreations Post Duplicator, published March 9, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.64%, the 50th percentile. No source names a fixed version.