Simple MembershipWordPress extension · Simple Membership Plugin
CVE-2024-22308
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedURL Redirection to Untrusted Site ('Open Redirect') vulnerability in smp7, wp.Insider Simple Membership.This issue affects Simple Membership: from n/a through 4.4.1.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceOpen redirect vulnerability in the Simple Membership WordPress plugin allows attackers to craft malicious URLs that redirect authenticated users to attacker-controlled external websites, potentially facilitating phishing and credential theft attacks.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data
Simple MembershipWordPress extension
< 4.4.2CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Confirm Simple Membership plugin is installedLog into WordPress admin dashboard and navigate to Plugins > Installed Plugins. Look for 'Simple Membership' in the list of active plugins.Affected if Simple Membership plugin appears in the installed plugins list
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Check installed plugin versionIn the plugins list, click on 'Simple Membership' to view plugin details, or check the plugin's main PHP file header for the Version field. Compare the version number to the affected range (versions prior to 4.4.2).Affected if The installed version is lower than 4.4.2 (for example, 4.4.1, 4.4.0, 4.3.x, etc.)
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Verify authentication is enabledNavigate to Simple Membership > Settings. Check if member login/registration functionality is enabled, as the vulnerability affects authenticated users.Affected if User authentication or member login features are active in the plugin settings
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Review access logs for suspicious redirect patternsCheck web server access logs (Apache error_log, Nginx access.log) or WordPress debug logs for requests containing unusual 'redirect_to' or 'return_url' parameters pointing to external domains.Affected if Log entries show redirect parameters with unknown external URLs that do not match your own domain
If the Simple Membership plugin is installed with a version lower than 4.4.2 and user authentication is enabled, the environment is likely affected by this open redirect vulnerability.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scoped4.4.2
Update Simple Membership plugin to the latest version which implements proper URL destination validation to prevent external/unescaped redirects.
Simple Membership 4.4.2
- Backup your WordPress site before making any changes
- Navigate to Plugins > Installed Plugins in WordPress admin
- Find Simple Membership plugin and click Update Now
- Alternatively, run `wp plugin update simple-membership` via WP-CLI
- After update, verify the plugin version shows 4.4.2 or higher
Generated from the published advisory — verify against the referenced sources before acting.
Fix this in Simple Membership
Scoped from the published advisory
- Consultation2.0 h
- Implementation3.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,272.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-22308 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2024-22308 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data