dbcve.org
Path TraversalWeakness · CWE-22

CVE-2025-31053

HIGH · 7.7 CVSS v3.1 Published 2025-05-23
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
83/100
Remediation priority · High
Remotely reachable Zero-click

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 · unedited
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in quantumcloud KBx Pro Ultimate knowledgebase-helpdesk-pro allows Path Traversal.This issue affects KBx Pro Ultimate: from n/a through < 8.0.5.

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 confidence

A path traversal vulnerability exists in the quantumcloud KBx Pro Ultimate WordPress plugin (versions prior to 8.0.5). The vulnerability allows attackers to access files outside the web root directory through improper validation of file path inputs, potentially exposing sensitive system files or configuration data.

MitigationUpgrade KBx Pro Ultimate to version 8.0.5 or later to obtain the vendor patch. If immediate patching is not possible, restrict file access permissions and monitor for suspicious access patterns using '..' in URL parameters.

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
Changed
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/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 checks

Work through these to decide whether this CVE applies to you.

  1. Verify KBx Pro Ultimate plugin is installed
    In WordPress admin, go to Plugins > Installed Plugins and look for 'KBx Pro Ultimate' or 'KBx Pro' in the list. Note the version number displayed.
    Affected if Plugin is installed and version is lower than 8.0.5 or version cannot be determined
  2. Identify plugin version via filesystem
    If WordPress admin is inaccessible, check the plugin header file. Navigate to /wp-content/plugins/kbx-pro-ultimate/ or similar path and read the main PHP file for the 'Version' comment or constant.
    Affected if Plugin version field shows a number less than 8.0.5 or is missing entirely
  3. Check for file-related KBx modules
    Look in WordPress admin under KBx Pro Ultimate settings for enabled features related to file operations, downloads, document viewing, or content embedding. These modules process file path inputs.
    Affected if Any file handling module is enabled and the plugin version is below 8.0.5
  4. Inspect web server access logs for path traversal attempts
    Review Apache/nginx access logs for requests to the KBx plugin endpoint containing '../' sequences or absolute paths like '/etc/passwd' in query parameters.
    Affected if Recent logs show '..' encoded traversal patterns targeting KBx-related URLs
  5. Verify plugin file permissions
    Check that plugin files are not world-writable and that the wp-content/uploads directory is not accessible for direct execution. Examine the plugin directory for unexpected new files.
    Affected if Plugin files have overly permissive ownership or unexpected PHP files exist in the plugin directory

A user is affected if the KBx Pro Ultimate plugin is installed with a version prior to 8.0.5 and any file-related feature is enabled, exposing the path traversal vulnerability.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Upgrade KBx Pro Ultimate to version 8.0.5 or later to obtain the vendor patch. If immediate patching is not possible, restrict file access permissions and monitor for suspicious access patterns using '..' in URL parameters.

Recommended fix High confidence

KBx Pro Ultimate version 8.0.5 or later

  1. 1. Backup your current KBx Pro Ultimate installation and database before proceeding with any changes.
  2. 2. Download KBx Pro Ultimate version 8.0.5 or later from the official vendor source.
  3. 3. Install the updated version following the vendor's standard upgrade procedure.
  4. 4. Verify the installation was successful and test that the application functions normally.
  5. 5. Confirm the path traversal vulnerability is resolved by testing file access restrictions.
Caveat Review release notes for version 8.0.x for any feature changes or migration requirements before upgrading

Generated from the published advisory — verify against the referenced sources before acting.

Have this fixed Scoped from the published advisory
  • Consultation1.0 h
  • Implementation1.0 h
  • Testing2.0 h
  • Review / QA1.0 h
5.0 hours of engineering $860
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An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,376.

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-31053 in production — separate from our analysis above.

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What this is

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.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
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