How severe is CVE-2023-5228?

CVE-2023-5228 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-5228 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-5228?

CVE-2023-5228 affects Wpeverest User Registration. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-5228?

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

When was CVE-2023-5228 published?

CVE-2023-5228 was published on 2023-11-06 and last updated on 2026-06-17.

CVE-2023-5228

CVE-2023-5228 is a medium-severity vulnerability in Wpeverest User Registration with a CVSS 3.x base score of 4.8. 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 4.8)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Wpeverest User Registration
Published: 2023-11-06
Last modified: 2026-06-17

Description

The User Registration WordPress plugin before 3.0.4.2 does not sanitize and escape some of its settings, which could allow high-privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Frequently asked questions

What is CVE-2023-5228?: The User Registration WordPress plugin before 3.0.4.2 does not sanitize and escape some of its settings, which could allow high-privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
How severe is CVE-2023-5228?: CVE-2023-5228 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-5228 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-5228?: CVE-2023-5228 affects Wpeverest User Registration. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-5228?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-5228 published?: CVE-2023-5228 was published on 2023-11-06 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/50ae7008-46f0-4f89-ae98-65dcabe4ef09

Affected products (1)

cpe:2.3:a:wpeverest:user_registration:*:*:*:*:*:wordpress:*:*

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