Deserialization of Untrusted DataWeakness · CWE-502

CVE-2025-60232

CRITICAL · 9.8 CVSS v3.1 Published 2025-10-22
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges 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
Deserialization of Untrusted Data vulnerability in quantumcloud KBx Pro Ultimate knowledgebase-helpdesk-pro allows Object Injection.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

This is a PHP Object Injection vulnerability in the KBx Pro Ultimate knowledgebase-helpdesk-pro plugin from quantumcloud. The deserialization of untrusted data allows remote attackers to inject malicious PHP objects, potentially leveraging existing gadget chains to achieve remote code execution. All versions up to and including 8.0.5 are affected.

MitigationApply the latest vendor patch or update to a secure version of KBx Pro Ultimate as soon as available; given the CVSS 9.8 severity and network-exploitable nature, treat this as a critical priority. Consider reviewing server logs and filesystem for indicators of compromise.

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
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/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 checks

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

  1. Confirm KBx Pro Ultimate plugin is installed
    Locate the knowledgebase-helpdesk-pro plugin directory in your WordPress or CMS installation, typically under wp-content/plugins/knowledgebase-helpdesk-pro/ or similar path depending on your CMS platform
    Affected if The plugin directory exists on the server
  2. Identify installed plugin version
    Check the main plugin file (usually named main.php, index.php, or plugin-name.php) inside the plugin directory for a version comment or constant definition, such as 'Version: X.X.X' or 'define( "KBX_VERSION", "..." )'
    Affected if The reported version is 8.0.5 or lower, or if no version is readable and the plugin appears to be the quantumcloud KBx Pro Ultimate plugin
  3. Verify plugin is active
    Query your CMS database plugin active status table or use admin interface to confirm the plugin is currently enabled and loaded
    Affected if The plugin is active and running in the production environment
  4. Review web server access logs for deserialization endpoints
    Search access logs (typically in /var/log/apache2/, /var/log/nginx/, or your hosting provider logs) for unusual POST requests to callback handlers, unserialize calls, or plugin AJAX endpoints that may indicate exploitation attempts
    Affected if Unexpected POST requests to plugin files containing terms like 'unserialize', 'callback', 'kbx', or serialized data patterns in the request body
  5. Inspect for unexpected PHP files in plugin directory
    Use file system commands (find, ls, or your file manager) to list all .php files in the plugin directory and compare against expected baseline; look for recently created or modified files with suspicious names or encoded content
    Affected if New or modified PHP files exist that were not part of the original plugin distribution, especially files with random names or containing base64_decode/eval/assert patterns

Your environment is affected if the KBx Pro Ultimate (knowledgebase-helpdesk-pro) plugin by quantumcloud is installed, active, and running version 8.0.5 or any prior version.

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.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply the latest vendor patch or update to a secure version of KBx Pro Ultimate as soon as available; given the CVSS 9.8 severity and network-exploitable nature, treat this as a critical priority. Consider reviewing server logs and filesystem for indicators of compromise.

Have this fixed Scoped from the published advisory
  • Consultation2.0 h
  • Implementation1.0 h
  • Testing3.0 h
  • Review / QA2.0 h
8.0 hours of engineering $1,390
Get help mitigating

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,224.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2025-60232 — 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 sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-60232 in production — separate from our analysis above.

No notes yet

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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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