CVE-2026-27092
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 · uneditedMissing Authorization vulnerability in Greg Winiarski WPAdverts wpadverts allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WPAdverts: from n/a through <= 2.3.0.
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 confidenceMissing Authorization vulnerability in WPAdverts plugin allows attackers to exploit incorrectly configured access control security levels, potentially enabling unauthorized access to sensitive administrative functions or operations that should require proper authentication.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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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Verify WPAdverts plugin is installedIn WordPress admin panel, go to Plugins > Installed Plugins and look for WPAdverts, or check the /wp-content/plugins/ directory for the adverts folderAffected if WPAdverts plugin is present in the WordPress installation
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Check WPAdverts version numberIn WordPress admin, go to Plugins > Installed Plugins > WPAdverts and view the version number displayed, or inspect the main plugin file header in /wp-content/plugins/adverts/index.phpAffected if Installed version has not received the authorization fix (compare against latest version on wordpress.org)
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Inspect access control configurationCheck WordPress user roles and capabilities settings, and review any custom access control rules in .htaccess or security plugins that may affect WPAdverts endpointsAffected if Public-facing WPAdverts endpoints (such as those handling ad submissions, management, or admin functions) are accessible without authentication or proper capability checks
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Test WPAdverts REST API endpointsSend unauthenticated HTTP requests to WPAdverts REST API endpoints (typically /wp-json/adverts/v1/ or similar paths) using curl or a browser developer toolAffected if Requests return successful responses containing administrative data or allow privileged operations without providing valid authentication credentials
User is affected if WPAdverts plugin is installed and its endpoints are accessible without proper authentication or authorization checks.
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 · scopedUpdate WPAdverts to the latest version if available, or implement additional access control measures at the web server level to restrict unauthorized access to plugin endpoints.
Latest version of WPAdverts (version higher than 2.3.0)
- 1. Log in to the WordPress admin dashboard
- 2. Navigate to Plugins > Installed Plugins
- 3. Locate WPAdverts in the plugin list
- 4. If an update is available, click 'Update Now' to upgrade to the latest patched version
- 5. After updating, verify the plugin version is newer than 2.3.0
- 6. Test the plugin functionality to ensure the update did not break existing features
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation3.0 h
- Implementation6.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,224.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-27092 — 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-2026-27092 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