CVE-2026-25378
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 Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Nelio Software Nelio AB Testing nelio-ab-testing allows Blind SQL Injection.This issue affects Nelio AB Testing: from n/a through <= 8.2.4.
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 confidenceA blind SQL injection vulnerability exists in the Nelio AB Testing WordPress plugin (versions through 8.2.4). The vulnerability allows attackers to inject malicious SQL commands through unsanitized input in database queries, potentially enabling unauthorized data access or manipulation.
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
- High
- User interaction
- None
- Scope
- Changed
- Confidentiality
- High
- Integrity
- None
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
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 Nelio AB Testing plugin is installedCheck the WordPress plugins directory (wp-content/plugins/) for the nelio-ab-testing folder, or view installed plugins in WordPress admin under Plugins > Installed PluginsAffected if The plugin folder exists in the WordPress installation
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Check the installed plugin versionIn WordPress admin, go to Plugins > Installed Plugins and look for Nelio AB Testing to view the version number, or open the main plugin PHP file (e.g., nelio-ab-testing.php) and check the 'Version' header in the plugin comment blockAffected if The installed version is 8.2.4 or any earlier version
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Confirm the plugin is activeIn WordPress admin under Plugins > Installed Plugins, verify that Nelio AB Testing shows as 'Active' (not just installed)Affected if The plugin is activated and running on the site
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Identify database query entry pointsReview plugin code for direct database query usage (wpdb->prepare, $wpdb->query, etc.) without proper sanitization, or inspect server/database logs for unusual SQL patterns originating from the pluginAffected if The plugin executes custom database queries with unsanitized user input
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Monitor for suspicious database activityCheck WordPress debug logs, server error logs, or database slow query logs for SQL injection patterns (unusual UNION SELECT, boolean-based true/false conditions, time-based SLEEP commands)Affected if Database logs show anomalous queries that resemble SQL injection attempts
A user is affected if Nelio AB Testing plugin version 8.2.4 or earlier is installed and active on their WordPress site, enabling SQL injection via unsanitized database input.
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.
From vendor dataUpdate Nelio AB Testing to the latest version to receive the security patch. Until then, restrict plugin access to trusted users only and monitor for suspicious database query patterns.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2026-25378 — 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-2026-25378 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
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