CVE-2023-0043

Name: CVE-2023-0043
Creator: NVD / NIST
Published: 2023-02-27T16:15:11.58+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.48%

Last modified Jun 17, 2026

CVE-2023-0043 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The Custom Add User WordPress plugin through 2.0.2 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin. EPSS estimates a 0.48% chance of exploitation in the next 30 days.

Description

The Custom Add User WordPress plugin through 2.0.2 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.48%

37.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Add User Project	Add User	<= 2.0.2

References

https://wpscan.com/vulnerability/e012f23a-7daf-4ef3-b116-d0e2ed5bd0a3Exploit, Third Party Advisory
https://wpscan.com/vulnerability/e012f23a-7daf-4ef3-b116-d0e2ed5bd0a3Exploit, Third Party Advisory

Timeline

Published: Feb 27, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-0043?

How severe is CVE-2023-0043?

CVE-2023-0043 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.

How do I fix CVE-2023-0043?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-0043?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST