How severe is CVE-2023-41956?

CVE-2023-41956 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-41956 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-41956?

CVE-2023-41956 affects Simple-membership-plugin Simple Membership. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-41956?

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.

Does CVE-2023-41956 have an EU (EUVD) identifier?

Yes. CVE-2023-41956 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-46415.

When was CVE-2023-41956 published?

CVE-2023-41956 was published on 2024-05-17 and last updated on 2026-06-17.

CVE-2023-41956

CVE-2023-41956 is a high-severity vulnerability in Simple-membership-plugin Simple Membership with a CVSS 3.x base score of 8.8. 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-287.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-46415
Weakness: CWE-287
Affected product: Simple-membership-plugin Simple Membership
Published: 2024-05-17
Last modified: 2026-06-17

Description

Improper Authentication vulnerability in smp7, wp.Insider Simple Membership.This issue affects Simple Membership: from n/a through 4.3.4.

Frequently asked questions

What is CVE-2023-41956?: Improper Authentication vulnerability in smp7, wp.Insider Simple Membership.This issue affects Simple Membership: from n/a through 4.3.4.
How severe is CVE-2023-41956?: CVE-2023-41956 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-41956 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-41956?: CVE-2023-41956 affects Simple-membership-plugin Simple Membership. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-41956?: 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.
Does CVE-2023-41956 have an EU (EUVD) identifier?: Yes. CVE-2023-41956 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-46415.
When was CVE-2023-41956 published?: CVE-2023-41956 was published on 2024-05-17 and last updated on 2026-06-17.

References

https://patchstack.com/database/vulnerability/simple-membership/wordpress-simple-membership-plugin-4-3-4-authenticated-account-takeover-vulnerability?_s_id=cve

Affected products (1)

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

More vulnerabilities in Simple-membership-plugin Simple Membership

CVE-2022-2317 — Critical (CVSS 9.8): The Simple Membership WordPress plugin before 4.1.3 allows user to change their membership at the registration stage…
CVE-2022-2273 — High (CVSS 8.8): The Simple Membership WordPress plugin before 4.1.3 does not properly validate the membership_level parameter when…
CVE-2016-10884 — High (CVSS 8.8): The simple-membership plugin before 3.3.3 for WordPress has multiple CSRF issues.
CVE-2019-14328 — High (CVSS 8.8): The Simple Membership plugin before 3.8.5 for WordPress has CSRF affecting the Bulk Operation section.
CVE-2023-41957 — High (CVSS 8.6): Improper Privilege Management vulnerability in smp7, wp.Insider Simple Membership allows Privilege Escalation.This…
CVE-2023-4719 — High (CVSS 7.2): The Simple Membership plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the `list_type`…

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Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →