CVE-2025-32140
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 · uneditedUnrestricted Upload of File with Dangerous Type vulnerability in Nirmal Kumar Ram WP Remote Thumbnail wp-remote-thumbnail allows Upload a Web Shell to a Web Server.This issue affects WP Remote Thumbnail: from n/a through <= 1.3.2.
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 confidenceThe WP Remote Thumbnail WordPress plugin (versions through 1.3.2) contains an unrestricted file upload vulnerability that allows attackers to upload executable files (such as PHP web shells) directly to the web server without proper validation of file types. This critical flaw can lead to complete site compromise and remote code execution.
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
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/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 checksWork through these to decide whether this CVE applies to you.
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Verify WP Remote Thumbnail plugin versionNavigate to WordPress admin > Plugins > Installed Plugins > WP Remote Thumbnail, or inspect the plugin main file (wp-remote-thumbnail.php) and look for the 'Version:' header commentAffected if version is 1.3.2 or lower (any version up to and including 1.3.2)
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Confirm plugin is activeCheck if WP Remote Thumbnail appears in the active plugins list in wp_options table or in Plugins > Installed Plugins with the plugin enabledAffected if plugin is active and running on the site
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Inspect upload directories for suspicious filesCheck the WordPress uploads folder (typically wp-content/uploads) and any custom upload directories used by the plugin. Look for unexpected PHP files, .php extensions appended to images, or files with double extensions like image.php.jpgAffected if any PHP files or suspicious executables exist in upload directories, especially if created recently and not uploaded by trusted admins
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Scan for web shell artifactsSearch upload directories for known web shell patterns: eval(), base64_decode(), system(), shell_exec(), $_POST/$_GET variable usage in files, or unusually large file sizes for imagesAffected if files containing PHP execution functions or obfuscated code are found in upload folders
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Review server access logs for upload endpoint activityExamine web server access logs (Apache/nginx) for POST requests to the plugin's upload handler (look for paths like /wp-content/plugins/wp-remote-thumbnail/ or AJAX calls related to thumbnail upload) from unauthorized or unexpected IP addressesAffected if unauthorized or suspicious upload requests are logged to the plugin's upload functionality
You are affected if WP Remote Thumbnail plugin version 1.3.2 or lower is installed and active on your WordPress site, or if any unknown PHP files exist in your upload directories.
Generated from the published advisory. Verify against your own configuration.
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 dataUpdate WP Remote Thumbnail to the latest patched version immediately. If no patch is available, remove the plugin entirely. Additionally, configure the web server to prevent execution of uploaded files in the uploads directory.
- Consultation2.0 h
- Implementation2.0 h
- Testing1.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,744.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-32140 — 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 sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-32140 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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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.
- 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