CVE-2026-40842
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 · uneditedAn low privileged remote attacker can exploit an unauthenticated SQL Injection vulnerability in the getWidgetTags function due to improper neutralization of special elements in a SQL SELECT command. This can result in a total loss of confidentiality.
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 SQL Injection vulnerability exists in the getWidgetTags function where user-supplied input is not properly neutralized before being used in a SQL SELECT query. An unauthenticated remote attacker with low privileges can exploit this to inject arbitrary SQL commands, potentially exfiltrating sensitive data from the database.
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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Identify the application containing getWidgetTagsLocate the codebase or binary that contains the getWidgetTags function. This may be a web application, CMS plugin, or third-party widget framework. Search source code repositories or installed packages for this function name.Affected if The application uses a getWidgetTags function from an unpatched version
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Determine the software versionCheck the installed version of the software or library that contains getWidgetTags. This is typically found in package.json, composer.json, a CHANGELOG file, or the application's admin panel under version information.Affected if The installed version matches the affected range and has not been patched
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Examine getWidgetTags source code for dynamic SQLLocate the getWidgetTags function in the source code and inspect how it builds SQL queries. Look for string concatenation, string interpolation, or unsanitized string formatting that incorporates user-supplied parameters into SELECT statements.Affected if The function constructs SQL queries using string concatenation with user input rather than parameterized queries or prepared statements
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Verify user input reaches the vulnerable queryTrace the data flow from HTTP request parameters (such as query string parameters, POST body fields, or headers) through to the getWidgetTags function. Confirm that these inputs flow into the SQL query without proper sanitization, escaping, or use of parameterized queries.Affected if User-controllable input is passed directly into the SQL query without neutralization
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Confirm the attack surface is accessibleDetermine if the getWidgetTags function is callable by unauthenticated or low-privilege users. Check if the function is exposed via a web API endpoint, AJAX handler, or other publicly accessible interface that does not require elevated privileges.Affected if The function can be invoked without authentication or with low-privilege user rights
Your environment is affected if the getWidgetTags function uses dynamic SQL construction with unsanitized user input and is accessible to unauthenticated or low-privilege users in an unpatched version.
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 dataReplace dynamic SQL queries with parameterized queries/prepared statements in the getWidgetTags function and validate/sanitize all user inputs before using them in database queries.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-40842 — 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-2026-40842 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