CVE-2023-41957: Improper Privilege Management vulnerability in smp7, wp.Insider Simple Membership allows Privilege Escalation.

Q: How do I fix CVE-2023-41957?

simple membership: upgrade to 4.3.5. Exact commands for each OS are on this page.

Q: Is CVE-2023-41957 being exploited?

CVE-2023-41957 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-41957 affect?

CVE-2023-41957 affects simple membership. Severity is high (CVSS 8.6). Improper Privilege Management vulnerability in smp7, wp.Insider Simple Membership allows Privilege Escalation.This issue affects Simple Membership: from n/a through 4.3.4.

Q: How urgent is CVE-2023-41957?

Priority 49/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 8.6REMOTEUPGRADE

CVE-2023-41957 is a high-severity flaw (CVSS 8.6) affecting simple membership. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.6 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 45%)
CISA exploited list	No
Weakness	CWE-269
Published	2024-05-17
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: simple-membership-plugin

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-05-17 07:16 UTCPublished CVE record published
2026-06-17 06:23 UTCUpdated Record last modified

simple-membership-plugin simple membership UPGRADE

Affected: < 4.3.5

Fixed in: 4.3.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy simple-membership || rpm -q simple-membership || simple-membership --version

2. UPGRADE to 4.3.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade simple-membership

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade simple-membership

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-41957?

simple membership: upgrade to 4.3.5. Exact commands for each OS are on this page.

Is CVE-2023-41957 being exploited?

CVE-2023-41957 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-41957 affect?

CVE-2023-41957 affects simple membership. Severity is high (CVSS 8.6). Improper Privilege Management vulnerability in smp7, wp.Insider Simple Membership allows Privilege Escalation.This issue affects Simple Membership: from n/a through 4.3.4.

How urgent is CVE-2023-41957?

Priority 49/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-4383 MEDIUM 6.4 UPGRADE The Simple Membership plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'swpm
CVE-2024-49682 MEDIUM 4.7 UPGRADE URL Redirection to Untrusted Site ('Open Redirect') vulnerability in wp.insider Simple Membership simple-membe
CVE-2024-22308 LOW 3.4 UPGRADE URL Redirection to Untrusted Site ('Open Redirect') vulnerability in smp7, wp.Insider Simple Membership.This i
CVE-2024-1985 MEDIUM 4.7 UPGRADE The Simple Membership plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Display Name'
CVE-2024-11088 MEDIUM 5.3 UPGRADE The Simple Membership plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up

References

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