Wp Oauth ServerWordPress extension · Wp Oauth
CVE-2024-31253
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 WP OAuth Server OAuth Server.This issue affects OAuth Server: from n/a through 4.3.3.
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 confidenceAn open redirect vulnerability in WP OAuth Server versions through 4.3.3 allows attackers to craft malicious URLs that redirect users to untrusted external sites. The OAuth Server fails to properly validate redirect URLs before performing the redirect, enabling phishing 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
Wp Oauth ServerWordPress extension
< 4.4.0CVSS 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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Check installed WP OAuth Server versionLog into WordPress admin, navigate to Plugins > Installed Plugins, locate 'WP OAuth Server' and view the version number displayed beneath the plugin name. Alternatively, inspect the main plugin file (usually wp-oauth-server.php in wp-content/plugins/wp-oauth-server/) and check the 'Version' header in the file comments.Affected if The installed version is 4.3.3 or lower (any version before 4.4.0)
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Verify OAuth authorization endpoint is activeAccess the OAuth authorization endpoint URL for your site, typically at /oauth/authorize or /?oauth=authorize. Check if the endpoint responds and presents an authorization consent screen.Affected if The OAuth authorization endpoint is publicly accessible and functional
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Test redirect parameter for open redirect behaviorSubmit a request to the OAuth authorization endpoint with a redirect_uri parameter pointing to an external domain (for example: yoursite.com/oauth/authorize?redirect_uri=https://evil.com). Observe whether the application redirects to the external domain after processing.Affected if The application accepts and follows redirect URLs to external domains without validation or warning
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Review redirect URL allowlist configurationNavigate to WordPress admin > OAuth Server > Settings. Look for redirect URI validation settings or allowed redirect URLs configuration. Check if the system validates redirect URIs against a configured allowlist.Affected if No redirect URL allowlist is configured, or allowlist validation is not enforced
You are affected if WP OAuth Server version is below 4.4.0 AND the OAuth authorization endpoint accepts external redirect URLs without validation.
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 · scoped4.4.0
Upgrade to the latest version of WP OAuth Server that includes proper redirect URL validation, or implement server-side allowlist validation for redirect parameters before issuing redirects.
4.4.0
- 1. Create a full backup of your WordPress site including the database and all files
- 2. Update the WP OAuth Server plugin to version 4.4.0 or later through the WordPress admin dashboard (Plugins > Installed Plugins > WP OAuth Server > Update Now)
- 3. Alternatively, update via FTP or hosting control panel by downloading version 4.4.0 from the WordPress plugin repository
- 4. Verify the update completed successfully by checking the plugin version in WordPress admin
- 5. Test OAuth authentication flows to ensure functionality works as expected after the update
- 6. Clear any caching layers if used
Generated from the published advisory — verify against the referenced sources before acting.
Fix this in Wp Oauth Server
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-2024-31253 — 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-2024-31253 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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- 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