CVE-2025-54690
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 themeStek Xinterio xinterio allows PHP Local File Inclusion.This issue affects Xinterio: from n/a through <= 4.2.
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 · high confidenceThe Xinterio WordPress theme (versions up to 4.2) contains a PHP Local File Inclusion vulnerability where improper control of filenames in include/require statements allows attackers to manipulate path parameters and execute arbitrary PHP code by including malicious local files.
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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Locate Xinterio theme installationCheck the WordPress themes directory (wp-content/themes/) for the xinterio folder. If using a file manager or CLI: ls -la /path/to/wordpress/wp-content/themes/ | grep -i xinterioAffected if The xinterio folder exists in the themes directory
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Identify installed Xinterio versionOpen the theme's style.css file located at wp-content/themes/xinterio/style.css and look for the 'Version:' header in the CSS comment block at the topAffected if Version is 4.2 or below, or if no version is declared treat as potentially affected
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Find vulnerable include/require statementsSearch the theme's PHP files for include, require, include_once, or require_once statements that use variables in the path (e.g., include($_GET['param'])). Search command: grep -r '\$.*include\|\$.*require' wp-content/themes/xinterio/Affected if Any include/require statement uses a variable without sanitization, particularly path-related parameters
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Check for path traversal parametersReview PHP files that handle template inclusion or routing (commonly functions.php, header.php, or custom template loaders). Look for $_GET, $_POST, or $_REQUEST variables used in file path operationsAffected if URL parameters can be manipulated to traverse directories (e.g., ../../) or inject file paths
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Look for signs of exploitationCheck web server access logs for unusual requests containing ../ sequences or alternative file extensions (e.g., ?page=../../../../etc/passwd). Also examine theme directories for newly created suspicious PHP filesAffected if Log entries show path traversal attempts or unexpected PHP files appear in the theme folder
You are affected if Xinterio theme version 4.2 or lower is installed and the vulnerable include/require code paths using user input are accessible on your WordPress site.
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 Xinterio theme to the latest patched version immediately. If no patch is available, disable the theme and replace with a secure alternative, or implement input validation and web application firewall rules as temporary mitigations.
- Consultation2.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2025-54690 — 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-2025-54690 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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