How severe is CVE-2023-50376?

CVE-2023-50376 has a CVSS 3.x base score of 7.1, rated high 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 low.

Is CVE-2023-50376 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-50376?

CVE-2023-50376 affects Simple-membership-plugin Simple Membership. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-50376?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-50376 published?

CVE-2023-50376 was published on 2023-12-19 and last updated on 2026-06-17.

CVE-2023-50376

CVE-2023-50376 is a high-severity vulnerability in Simple-membership-plugin Simple Membership with a CVSS 3.x base score of 7.1. 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: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Simple-membership-plugin Simple Membership
Published: 2023-12-19
Last modified: 2026-06-17

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in smp7, wp.Insider Simple Membership allows Reflected XSS.This issue affects Simple Membership: from n/a through 4.3.8.

Frequently asked questions

What is CVE-2023-50376?: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in smp7, wp.Insider Simple Membership allows Reflected XSS.This issue affects Simple Membership: from n/a through 4.3.8.
How severe is CVE-2023-50376?: CVE-2023-50376 has a CVSS 3.x base score of 7.1, rated high 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 low.
Is CVE-2023-50376 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-50376?: CVE-2023-50376 affects Simple-membership-plugin Simple Membership. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-50376?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-50376 published?: CVE-2023-50376 was published on 2023-12-19 and last updated on 2026-06-17.

References

https://patchstack.com/database/vulnerability/simple-membership/wordpress-simple-membership-plugin-4-3-8-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Affected products (1)

cpe:2.3:a:simple-membership-plugin:simple_membership:*:*:*:*:*:wordpress:*:*

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