How severe is CVE-2023-0043?

CVE-2023-0043 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-0043 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0043?

CVE-2023-0043 affects Add User Project Add User. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0043?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-0043 published?

CVE-2023-0043 was published on 2023-02-27 and last updated on 2026-06-17.

CVE-2023-0043

CVE-2023-0043 is a medium-severity vulnerability in Add User Project Add User with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Add User Project Add User
Published: 2023-02-27
Last modified: 2026-06-17

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

Frequently asked questions

What is CVE-2023-0043?: 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
How severe is CVE-2023-0043?: CVE-2023-0043 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-0043 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0043?: CVE-2023-0043 affects Add User Project Add User. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0043?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-0043 published?: CVE-2023-0043 was published on 2023-02-27 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/e012f23a-7daf-4ef3-b116-d0e2ed5bd0a3

Affected products (1)

cpe:2.3:a:add_user_project:add_user:*:*:*:*:*:wordpress:*:*

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