Is this vulnerability remotely exploitable?

Yes. An attacker only needs network access to the vulnerable `gallery/upload.php` endpoint to attempt exploitation; no prior authentication is required in the described scenario.

What level of access does an attacker gain if exploitation succeeds?

Successful exploitation typically grants the attacker the privileges of the web server process. From there, the attacker may read or modify application data, interact with the database, and potentially pivot further depending on system configuration.

What is the safest general fix pattern for this type of issue?

The most reliable fix is to strictly control file uploads end-to-end: enforce strong server-side type validation, restrict extensions to a narrow allowlist, store uploads outside executable paths, and configure the web server so that uploaded content is never interpreted as code.

Severity:

CRITICAL RISK

(9.8)

Unrestricted File Upload (CWE-434) in Modern Image Gallery App upload.php

CVE-2025-70457

Published:

Jan 23, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-306

CRITICAL RISK

CRITICAL

(9.8)

Missing Authentication for Forgot-Password Email Change API (CWE-306)

Account Takeover / Loss of Account Control

February 17, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in node-sonos-http-api TTS Provider for macOS

Remote Code Execution on the Server Host

February 17, 2026

Vulnerability Type

Category:

Unrestricted File Upload

CWE:

CWE-434

Impact:

Remote Code Execution and Full System Compromise

Severity:

CRITICAL RISK

(9.8)

CVSS Version:

3.1

Vulnerability Type

Category:

Unrestricted File Upload

CWE:

CWE-434

Impact:

Remote Code Execution and Full System Compromise

Severity:

CRITICAL RISK

(9.8)

CVSS Version:

3.1

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Made with Love in San Francisco

355 Bryant St. San Francisco, CA 94107, USA

Ask AI for summary of CodeAnt

Unrestricted File Upload (CWE-434) in Modern Image Gallery App upload.php

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

CRITICAL RISK

CRITICAL

(9.8)

Missing Authentication for Forgot-Password Email Change API (CWE-306)

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in node-sonos-http-api TTS Provider for macOS

Vulnerability Type

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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