CVE-2026-28031
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 Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in ThemeREX Invetex invetex allows PHP Local File Inclusion.This issue affects Invetex: from n/a through <= 2.18.
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 confidenceLocal File Inclusion vulnerability in ThemeREX Invetex theme allows attackers to include arbitrary PHP files from the server filesystem, potentially leading to remote code execution. The vulnerability stems from improper control of filename parameters in PHP include/require statements.
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
- High
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/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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Confirm ThemeREX Invetex theme is installedLocate the theme directory on your server - typically in wp-content/themes/invetex or similar. Check for theme files like style.css which contains the theme declaration header with version information.Affected if The ThemeREX Invetex theme is present in the themes directory.
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Determine the installed versionOpen the theme's style.css file and locate the 'Version:' declaration in the theme header comment block. Compare this version number against the affected range (versions through 2.18).Affected if The reported version is 2.18 or lower.
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Identify PHP files using include or require statementsSearch the theme directory for PHP files containing include, include_once, require, or require_once statements. Look for patterns where these statements reference variables or parameters.Affected if PHP files in the theme use dynamic inclusion with variables that could be user-controlled.
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Inspect include/require parameters for user inputExamine the identified include/require statements in detail. Check if the file paths or parameters derive values from $_GET, $_POST, $_REQUEST, or other user-supplied sources without validation.Affected if User-supplied input (from URL parameters, form data, or cookies) flows directly into include/require statements without sanitization or validation.
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Check for path traversal vulnerabilityReview whether the included file path accepts directory traversal sequences (such as ../ or ..\) or allows absolute paths. Test if the code uses functions like basename() or realpath() to normalize paths before inclusion.Affected if The code allows path traversal sequences or does not normalize file paths before inclusion.
You are affected if you have ThemeREX Invetex theme version 2.18 or lower installed and your server exposes PHP files that use include/require with unvalidated user-supplied 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 Invetex theme to the latest patched version. If no patch is available, audit and sanitize all file inclusion parameters, implement whitelist-based validation, and disable allow_url_include in PHP configuration.
- Consultation3.0 h
- Implementation6.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-28031 — 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-2026-28031 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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