Simple Photo GalleryApplication · Simple Photo Gallery Project

CVE-2023-2776

CRITICAL · 9.8 CVSS v3.1 Published 2023-05-17
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
A vulnerability was found in code-projects Simple Photo Gallery 1.0. It has been declared as critical. This vulnerability affects unknown code. The manipulation leads to unrestricted upload. The attack can be initiated remotely. VDB-229282 is the identifier assigned to this vulnerability.

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

Unrestricted file upload vulnerability in Simple Photo Gallery 1.0 allows remote attackers to upload arbitrary files without proper validation, potentially leading to remote code execution via uploaded malicious files.

MitigationImplement strict file upload validation including file type verification (magic bytes), filename sanitization, file renaming, storage outside web root, and execute-disable headers.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Simple Photo GalleryApplication
Affected:= 1.0

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 Simple Photo Gallery installation
    Locate the Simple Photo Gallery application files in your web server directory (common paths include /wp-content/plugins/, /plugins/, or application root). Look for version indicators in source code comments, readme files, or version configuration files.
    Affected if The application is Simple Photo Gallery version 1.0 exactly
  2. Verify file upload functionality exists
    Access the gallery web interface and locate any file upload feature (typically found in admin panel, upload section, or image submission form). Check if the upload endpoint responds and accepts POST requests.
    Affected if The file upload functionality is present and accessible on the web application
  3. Inspect upload form for validation controls
    View the HTML source of the upload form and examine the server-side handling code (PHP, etc.) for file type validation, file extension checks, or content-type validation logic.
    Affected if No server-side file validation is implemented or validation can be easily bypassed (no magic byte checks, allowlist validation, or content-type verification)
  4. Check upload directory configuration
    Examine the web server configuration and application code to determine where uploaded files are stored (typically in an /uploads/ or /images/ directory within the web root).
    Affected if Uploaded files are stored inside the web-accessible document root without execute-disable headers configured

You are affected if Simple Photo Gallery version 1.0 is installed and the file upload feature is accessible without proper validation safeguards.

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

Implement strict file upload validation including file type verification (magic bytes), filename sanitization, file renaming, storage outside web root, and execute-disable headers.

Fix this in Simple Photo Gallery Scoped from the published advisory
  • Consultation2.0 h
  • Implementation8.0 h
  • Testing4.0 h
  • Review / QA2.0 h
16.0 hours of engineering $2,800
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Scan for this in your stack

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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-2023-2776 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
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