What is CVE-2021-33852?

CVE-2021-33852 is a medium-severity vulnerability in Metaphorcreations Post Duplicator, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-03-10.

How severe is CVE-2021-33852?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2021-33852 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Metaphorcreations Post Duplicator

CVE-2021-33852

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (46.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Metaphorcreations Post_duplicator — versions 2.23
N/a Wordpress Post Duplicator Plugin — versions Version 2.23

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

disclose@cybersecurityworks.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-33852?: CVE-2021-33852 is a medium-severity vulnerability in Metaphorcreations Post Duplicator, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-03-10.
How severe is CVE-2021-33852?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2021-33852 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.