Improper Access ControlWeakness · CWE-284

CVE-2025-1835

MEDIUM · 6.3 CVSS v3.1 Published 2025-03-02
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
69/100
Remediation priority · Elevated
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
A vulnerability has been found in osuuu LightPicture 1.2.2 and classified as critical. This vulnerability affects the function upload of the file /app/controller/Api.php. The manipulation of the argument file leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

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

LightPicture 1.2.2 contains an unrestricted file upload vulnerability in the upload function of /app/controller/Api.php. By manipulating the file argument, a remote attacker can upload arbitrary files to the server, potentially leading to remote code execution.

MitigationImplement strict file type validation using a whitelist approach, verify file content/magic bytes, restrict upload directories outside webroot, and disable script execution in upload directories.

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
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

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. Confirm LightPicture installation
    Locate the LightPicture application directory on the server. Common paths include /var/www/html/, /www/wwwroot/, or the webroot directory. Look for the presence of the main application files such as index.php and the /app/ directory structure.
    Affected if LightPicture is installed on the server
  2. Identify installed version
    Check the version file or header within the LightPicture installation. Look for a version.php, composer.json, or similar version declaration file in the application root or /app/ directory.
    Affected if The installed version is 1.2.2
  3. Verify vulnerable file exists
    Inspect the file /app/controller/Api.php to confirm it exists and contains the upload function handling the 'file' argument.
    Affected if The file /app/controller/Api.php exists and contains an upload handler function
  4. Check upload endpoint accessibility
    Determine if the API upload endpoint is accessible by checking web server configuration and routing. The vulnerable path would be the API controller endpoint that handles file uploads.
    Affected if The upload functionality in Api.php is accessible via the web interface without authentication or proper validation checks
  5. Inspect upload directory
    Check the configured upload directory (typically within /uploads/ or /data/ in the webroot) and verify if script execution is enabled or if the directory is outside the webroot.
    Affected if The upload directory allows execution of uploaded files or is located within the webroot

The environment is affected if LightPicture version 1.2.2 is installed with the vulnerable /app/controller/Api.php upload function accessible and the upload directory permits script execution.

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 type validation using a whitelist approach, verify file content/magic bytes, restrict upload directories outside webroot, and disable script execution in upload directories.

Have this fixed Scoped from the published advisory
  • Consultation2.0 h
  • Implementation3.0 h
  • Testing2.0 h
  • Review / QA1.0 h
8.0 hours of engineering $1,420
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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-2025-1835 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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