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Deserialization of Untrusted DataWeakness · CWE-502

CVE-2025-54014

CRITICAL · 9.8 CVSS v3.1 Published 2025-08-20
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 QuanticaLabs MediCenter - Health Medical Clinic medicenter allows Object Injection.This issue affects MediCenter - Health Medical Clinic: from n/a through <= 15.1.

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 deserialization of untrusted data vulnerability in QuanticaLabs MediCenter allows unauthenticated attackers to inject malicious PHP objects via insecure use of PHP unserialize(), potentially leading to remote code execution. Object injection vulnerabilities are critical as they can leverage application-specific classes to achieve code execution through PHP's magic methods.

MitigationReplace all instances of unserialize() with safe alternatives like json_decode() and implement strict input validation. If no patched version exists, consider disabling PHP deserialization and deploying a WAF rule to block serialized object payloads.

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 MediCenter theme installation
    Locate the MediCenter theme files in your web application. Look for directories named 'medicenter', 'theme/medicenter', or similar. Check for files like functions.php, index.php, or theme configuration files that identify the theme.
    Affected if The MediCenter theme is present in the environment
  2. Determine the installed version
    Open the theme's main style.css file or theme configuration (usually in the theme root directory) and locate the version declaration in the header comments. Alternatively, check version.php or a dedicated version file if present.
    Affected if The version is 15.1 or lower, or if no version is explicitly stated but the theme appears to be the MediCenter theme
  3. Locate unserialize() calls in the theme
    Search the theme directory for PHP files containing 'unserialize(' using grep, a code editor search, or similar: grep -r "unserialize(" /path/to/medicenter/theme/ or search manually through PHP files.
    Affected if Any PHP file in the theme contains an unserialize() call
  4. Identify data sources feeding unserialize()
    For each unserialize() call found, trace back the data being passed to it. Examine if the input comes from $_GET, $_POST, $_COOKIE, $_REQUEST, database queries, file uploads, or API inputs. Look for direct usage like unserialize($_POST['data']) or unserialize($user_input).
    Affected if The unserialize() function receives data from any user-controlled source without prior sanitization or validation
  5. Verify if the vulnerable code is accessible
    Check if the file containing the insecure unserialize() call is accessible via web requests (not protected by authentication, .htaccess restrictions, or include guards). Test by accessing the direct URL of the affected PHP file.
    Affected if The vulnerable unserialize() call is in a publicly accessible file and processes untrusted input

The environment is affected if MediCenter theme version 15.1 or lower is installed AND an accessible PHP file contains an unserialize() call that processes user-controlled data.

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

Replace all instances of unserialize() with safe alternatives like json_decode() and implement strict input validation. If no patched version exists, consider disabling PHP deserialization and deploying a WAF rule to block serialized object payloads.

Have this fixed Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing3.0 h
  • Review / QA2.0 h
11.0 hours of engineering $1,930
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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-2025-54014 in production — separate from our analysis above.

No notes yet

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What this is

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