Unrestricted File UploadWeakness · CWE-434

CVE-2025-28915

CRITICAL · 9.1 CVSS v3.1 Published 2025-03-11
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
97/100
Remediation priority · Urgent
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
Unrestricted Upload of File with Dangerous Type vulnerability in Theme Egg ThemeEgg ToolKit themeegg-toolkit allows Upload a Web Shell to a Web Server.This issue affects ThemeEgg ToolKit: from n/a through <= 1.2.9.

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 ThemeEgg ToolKit plugin versions up to 1.2.9 contains an unrestricted file upload vulnerability that allows attackers to upload arbitrary PHP files (web shells) to the web server without proper validation. This can lead to remote code execution.

MitigationUpdate the ThemeEgg ToolKit plugin to the latest patched version. If no patch is available, implement server-side file type validation, disable PHP execution in upload directories, and add content-type/extension allowlisting.

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

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/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. Verify ThemeEgg ToolKit plugin is installed
    Check your WordPress plugins directory or access the Plugins admin page to confirm the ThemeEgg ToolKit plugin is present on the site
    Affected if The plugin is installed and active on the WordPress site
  2. Identify the installed plugin version
    Access the Plugins admin page in WordPress, locate ThemeEgg ToolKit, and note the version number displayed, or check the plugin header in the main plugin file
    Affected if The installed version is 1.2.9 or lower
  3. Confirm the upload feature is accessible
    Navigate to the plugin settings or any module that handles file uploads (such as theme import, demo import, or upload functionality) to determine if the upload interface is accessible to users
    Affected if The plugin upload feature is accessible and accepts user-supplied files

You are affected if the ThemeEgg ToolKit plugin version is 1.2.9 or lower and the upload functionality is accessible on your site.

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

Update the ThemeEgg ToolKit plugin to the latest patched version. If no patch is available, implement server-side file type validation, disable PHP execution in upload directories, and add content-type/extension allowlisting.

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
Get help mitigating

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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2025-28915 — 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-2025-28915 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