CVE-2025-49071
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 NasaTheme Flozen flozen-theme allows Upload a Web Shell to a Web Server.This issue affects Flozen: from n/a through < 1.5.1.
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 · high confidenceThe Flozen theme before version 1.5.1 contains an unrestricted file upload vulnerability that allows attackers to upload arbitrary files including web shells to the web server. This is a critical security flaw in the theme's file upload functionality that lacks proper validation of file types and content.
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
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/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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Confirm Flozen theme is installedSearch your web application's theme directory for the Flozen theme files, typically found in themes/flozen or wp-content/themes/flozen depending on the platform. Look for theme configuration files like style.css or theme.json that contain the theme name.Affected if Flozen theme files are present in your web root or theme directory
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Determine installed Flozen versionOpen the main theme file (such as style.css, functions.php, or theme.json) and locate the version declaration. Compare this version number against the affected range (versions prior to 1.5.1).Affected if The installed version is earlier than 1.5.1 (for example, 1.4.0, 1.3.2, etc.)
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Verify file upload functionality is enabledCheck the theme settings or configuration panel for file upload capabilities. Look for options related to media uploads, avatar uploads, or file attachments that may be exposed to unauthenticated users.Affected if File upload functionality is enabled and accessible without authentication
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Inspect uploads directory for suspicious filesExamine the theme's uploads directory (commonly /uploads/, /assets/uploads/, or similar paths within the theme folder) for file types such as .php, .phtml, .html, .js, or .exe that should not be present. Review file creation timestamps for recently uploaded unexpected files.Affected if Unexpected executable or script files (.php, .phtml, .html, .js) are found in the uploads directory, especially with recent timestamps or unknown origins
Your environment is affected if Flozen theme versions earlier than 1.5.1 are installed with unauthenticated file upload functionality enabled, or if suspicious script files exist in the theme's 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.
dbcve · scopedUpdate Flozen theme to version 1.5.1 or later to receive the security patch. If immediate update is not possible, disable file upload functionality or implement web server-level restrictions to block executable file uploads.
Flozen version 1.5.1
- Upgrade Flozen theme to version 1.5.1 or later
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,120.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-49071 — 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-2025-49071 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