dbcve.org
Unrestricted File UploadWeakness · CWE-434

CVE-2025-1093

CRITICAL · 9.8 CVSS v3.1 Published 2025-04-19
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
The AIHub theme for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the generate_image function in all versions up to, and including, 1.3.7. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

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 confidence

The AIHub WordPress theme up to version 1.3.7 contains an arbitrary file upload vulnerability in the generate_image function due to missing file type validation. This allows unauthenticated attackers to upload arbitrary files to the server, potentially achieving remote code execution.

MitigationUpdate the AIHub theme to version 1.3.8 or later to receive the vendor patch. If immediate updating is not possible, implement web application firewall rules to block unauthorized file uploads or disable the vulnerable generate_image function.

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. Identify if AIHub theme is installed
    Navigate to WordPress dashboard > Appearance > Themes, or inspect the /wp-content/themes/aihub/ directory on the server
    Affected if AIHub theme is present in the WordPress installation (whether active or inactive)
  2. Determine the installed AIHub version
    Open the file /wp-content/themes/aihub/style.css and locate the 'Version:' field in the theme header comment at the top of the file
    Affected if Version listed is 1.3.7 or any version lower than 1.3.8 (for example: 1.3.7, 1.3.6, 1.3.5, etc.)
  3. Check if generate_image function is exposed
    Search theme files for the generate_image function definition, then determine if it is accessible via an AJAX hook (wp_ajax_ or wp_ajax_nopriv_), REST API endpoint, or direct URL without authentication
    Affected if The generate_image function exists and is hooked to an action accessible to unauthenticated users (for example: add_action('wp_ajax_nopriv_generate_image', ...) or similar)
  4. Inspect uploads directory for suspicious files
    Examine the /wp-content/uploads/ directory (and subdirectories) for newly created files with executable extensions such as .php, .phtml, .php5, .phar, or .phpt that were not intentionally uploaded by an administrator
    Affected if Unexpected PHP files or other executable scripts appear in the uploads directory, especially with timestamps corresponding to potential attack periods

You are affected if the AIHub theme version is 1.3.7 or lower AND the generate_image function is accessible to unauthenticated users, allowing them to upload files without restriction.

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

Update the AIHub theme to version 1.3.8 or later to receive the vendor patch. If immediate updating is not possible, implement web application firewall rules to block unauthorized file uploads or disable the vulnerable generate_image function.

Recommended fix Moderate confidence

AIHub theme version 1.3.8 or later

  1. Check the currently installed AIHub theme version in WordPress (Appearance > Themes)
  2. Navigate to ThemeForest or the theme provider's website to obtain version 1.3.8 or later
  3. Update the AIHub theme through WordPress admin (Dashboard > Updates) or upload the new version manually
  4. Verify the update was successful by confirming the new version number in Themes panel
  5. Confirm the generate_image function no longer allows arbitrary file uploads (this may require code review or penetration testing)
Caveat Review theme changelog for any styling or functionality changes before deploying to production

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

Have this fixed Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing2.0 h
  • Review / QA1.0 h
9.0 hours of engineering $1,600
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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-2025-1093 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
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data