WP Image Size Limit Security & Risk Analysis

wordpress.org/plugins/wp-image-size-limit

Adds a new setting under Settings -> Media where an admin can set a maximum upload file size for image files.

3K active installs v1.0.4 PHP + WP 3.3.2+ Updated Nov 28, 2017
imagesmediauploads
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is WP Image Size Limit Safe to Use in 2026?

Generally Safe

Score 85/100

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

No known CVEs Updated 8yr ago
Risk Assessment

The 'wp-image-size-limit' plugin v1.0.4 exhibits a generally strong security posture based on the provided static analysis. The absence of any identified dangerous functions, SQL injection vulnerabilities due to prepared statements, file operations, and external HTTP requests is a significant positive. Furthermore, the plugin has no recorded vulnerability history, which suggests a track record of security consciousness. However, a key concern arises from the complete lack of nonce checks and capability checks. This means that potentially any user could trigger the plugin's functionalities if they were to exist, creating a significant risk of unauthorized actions or unexpected behavior. While the current attack surface is reported as zero, this could be a snapshot of current functionality and might not account for future additions or subtle interactions. The 50% rate of proper output escaping is also a point of concern, as it indicates that half of the plugin's outputs are not properly sanitized, potentially leading to cross-site scripting (XSS) vulnerabilities. Despite the clean slate in terms of historical vulnerabilities and lack of critical code signals, the absence of essential security checks and the presence of unsanitized outputs present notable weaknesses.

Key Concerns

  • Missing nonce checks
  • Missing capability checks
  • Half of outputs not properly escaped
Vulnerabilities
None known

WP Image Size Limit Security Vulnerabilities

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

WP Image Size Limit Code Analysis

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

Output Escaping

50% escaped4 total outputs
Attack Surface

WP Image Size Limit Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 4
filterwp_handle_upload_prefilterwp-image-size-limit.php:20
actionadmin_headwp-image-size-limit.php:128
actionadmin_initwpisl-options.php:36
actionadmin_noticeswpisl-options.php:124
Maintenance & Trust

WP Image Size Limit Maintenance & Trust

Maintenance Signals

WordPress version tested3.6.1
Last updatedNov 28, 2017
PHP min version
Downloads40K

Community Trust

Rating94/100
Number of ratings17
Active installs3K
Developer Profile

WP Image Size Limit Developer Profile

Sean Butze

2 plugins · 3K total installs

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

How We Detect WP Image Size Limit

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

Asset Fingerprints

HTML / DOM Fingerprints

CSS Classes
after-file-uploadupload-flash-bypass
HTML Comments
<!-- .Custom Max Upload Size --><!-- END Custom Max Upload Size -->
FAQ

Frequently Asked Questions about WP Image Size Limit