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01 Record

CVE-2023-41956

WordPress Simple Membership plugin <= 4.3.4 - Authenticated Account Takeover vulnerability

HighPUBLISHEDCNA: Patchstack
CNA base score8.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

02 Description

WordPress Simple Membership plugin <= 4.3.4 - Authenticated Account Takeover vulnerability

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.90% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 59.4% of scored records. A rank, not a probability.
NVD base score
8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Analyzed. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2024-05-17 06:55Z2 YR AGO
Last updated
2026-04-28 16:08Z6 MO AGO
Reserved
2023-09-06
Assigning CNA
Patchstack
Record state
PUBLISHED
Severity
High (CVSS 8.8)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-287Improper AuthenticationClass
Data version
5.2
Document digest
e97628e79b382a39de649900ed0981f7641fa87c3502881c55a33ed2f93fd333

05 Affected products

VendorProductVersionsPlatforms
smp7, wp.insiderSimple Membership<= 4.3.4—
smp7_wpinsidersimple_membership0 to 4.3.4—

06 References

07 Remediation

Update to 4.3.5 or a higher version.