Multi Image Upload Security & Risk Analysis

wordpress.org/plugins/multi-image-upload

This plugin adds a meta box to upload multiple images for posts and pages.

400 active installs v2.0 PHP + WP 2.8+ Updated Apr 3, 2019
imagemetaboxmultiupload
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Multi Image Upload Safe to Use in 2026?

Generally Safe

Score 85/100

Multi Image Upload has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 7yr ago
Risk Assessment

The 'multi-image-upload' v2.0 plugin exhibits a mixed security posture. While the absence of known CVEs and a generally clean vulnerability history are positive indicators, the static analysis reveals significant concerns. The presence of two 'unserialize' calls without clear sanitization is a major red flag, potentially leading to remote code execution if user-supplied data is unserialized. Furthermore, the fact that 100% of outputs are not properly escaped, coupled with two 'unserialize' calls, creates a strong possibility for Cross-Site Scripting (XSS) vulnerabilities. The limited attack surface and the presence of nonce and capability checks on identified entry points are strengths, but they do not mitigate the risks associated with insecure deserialization and output handling.

Key Concerns

  • Dangerous function: unserialize used
  • Output escaping: 100% not properly escaped
Vulnerabilities
None known

Multi Image Upload Security Vulnerabilities

No known vulnerabilities — this is a good sign.
Code Analysis
Analyzed Mar 16, 2026

Multi Image Upload Code Analysis

Dangerous Functions
2
Raw SQL Queries
0
0 prepared
Unescaped Output
2
0 escaped
Nonce Checks
1
Capability Checks
2
File Operations
0
External Requests
0
Bundled Libraries
0

Dangerous Functions Found

unserialize$images = unserialize($value);multi-image-upload.php:52
unserialize$images = unserialize($value);multi-image-upload.php:183

Output Escaping

0% escaped2 total outputs
Attack Surface

Multi Image Upload Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 5
actionload-post.phpmulti-image-upload.php:66
actionload-post-new.phpmulti-image-upload.php:67
actionadd_meta_boxesmulti-image-upload.php:84
actionsave_postmulti-image-upload.php:85
actionadmin_enqueue_scriptsmulti-image-upload.php:86
Maintenance & Trust

Multi Image Upload Maintenance & Trust

Maintenance Signals

WordPress version tested5.1.22
Last updatedApr 3, 2019
PHP min version
Downloads17K

Community Trust

Rating100/100
Number of ratings7
Active installs400
Developer Profile

Multi Image Upload Developer Profile

Tahir Yasin

3 plugins · 430 total installs

84
trust score
Avg Security Score
85/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect Multi Image Upload

Patterns used to identify this plugin on WordPress sites during automated security audits and web crawling.

Asset Fingerprints

Asset Paths
/wp-content/plugins/multi-image-upload/miu_script.js
Script Paths
/wp-content/plugins/multi-image-upload/miu_script.js
Version Parameters
multi-image-upload/miu_script.js?ver=

HTML / DOM Fingerprints

Data Attributes
id="miu_images"onClick="addRow()"
JS Globals
var itemsCount= 0;
FAQ

Frequently Asked Questions about Multi Image Upload