Code Snippets ExtensionWordPress extension · Mainwp
CVE-2023-23645
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 · uneditedImproper Control of Generation of Code ('Code Injection') vulnerability in MainWP MainWP Code Snippets Extension allows Code Injection.This issue affects MainWP Code Snippets Extension: from n/a through 4.0.2.
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 confidenceThe MainWP Code Snippets Extension versions up to 4.0.2 contain a code injection vulnerability that allows attackers to inject and execute arbitrary code. This improper control of code generation could enable complete compromise of the WordPress site(s) managed through MainWP.
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
Code Snippets ExtensionWordPress extension
< 4.0.3CVSS 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
- Low
- User interaction
- None
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
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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Verify MainWP Code Snippets Extension is installedLog into the WordPress admin dashboard and navigate to Plugins > Installed Plugins. Look for the entry named 'MainWP Code Snippets Extension' or similar.Affected if The extension is installed and appears in the plugins list
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Check the installed version numberIn the WordPress plugins list, click on the plugin details or view the plugin header to locate the version number displayed for the MainWP Code Snippets Extension.Affected if The displayed version number is less than 4.0.3 (such as 4.0.2, 4.0.1, 4.0, or any version starting with 4.0.x where x is less than 3)
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Confirm the extension is activeIn WordPress admin, go to Plugins > Installed Plugins and verify whether the MainWP Code Snippets Extension is currently activated (not just installed).Affected if The extension shows as 'Active' or 'Activated' in the plugin status column
A user is affected if the MainWP Code Snippets Extension is installed, is active on the WordPress site, and has a version number lower than 4.0.3.
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 · scoped4.0.3
Update the MainWP Code Snippets Extension to the latest patched version immediately. If no patch is available, consider disabling the extension or implementing temporary web application firewall rules until a fix is released.
4.0.3
- 1. Create a complete backup of your WordPress site including database and files
- 2. Navigate to your WordPress dashboard under Plugins section
- 3. Locate the MainWP Code Snippets Extension in your installed plugins
- 4. Update the plugin to version 4.0.3
- 5. Verify the update was successfully applied by checking the plugin version
- 6. Test that the Code Snippets functionality works correctly
Generated from the published advisory — verify against the referenced sources before acting.
Fix this in Code Snippets Extension
Scoped from the published advisory
- Consultation2.0 h
- Implementation4.0 h
- Testing6.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,096.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-23645 — 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-2023-23645 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