Subresource Integrity (SRI) Manager Security & Risk Analysis

wordpress.org/plugins/wp-sri

Adds Subresource Integrity (SRI) attributes to your page's elements for better protection against JavaScript DDoS attacks.

1K active installs v0.4.0 PHP + WP 4.1+ Updated Dec 3, 2020
mitigationmitmsecuritysrisubresource-integrity
63
C · Use Caution
CVEs total1
Unpatched1
Last CVESep 22, 2025
Safety Verdict

Is Subresource Integrity (SRI) Manager Safe to Use in 2026?

Use With Caution

Score 63/100

Subresource Integrity (SRI) Manager has 1 unpatched vulnerability. Evaluate alternatives or apply available mitigations.

1 known CVE 1 unpatched Last CVE: Sep 22, 2025Updated 5yr ago
Risk Assessment

The wp-sri plugin version 0.4.0 exhibits a mixed security posture. On the positive side, it demonstrates good practices by utilizing prepared statements for all SQL queries and performing proper output escaping on the majority of its outputs. It also incorporates nonce and capability checks, which are fundamental security measures. However, a significant concern is the presence of an unprotected AJAX handler, which represents a direct entry point into the plugin's functionality that can be accessed without authentication. While the taint analysis shows no identified vulnerabilities, the single external HTTP request warrants careful consideration, as it could potentially be exploited if not handled securely.

The plugin's vulnerability history is a major red flag. With one known CVE, which is currently unpatched and categorized as medium severity, this indicates a recurring issue of missing authorization. The fact that the last vulnerability was dated in the near future (2025-09-22) and is related to missing authorization suggests a potential for ongoing security weaknesses in how the plugin handles user access to its features. This, combined with the unprotected AJAX handler, points to a pattern where authorization checks are being overlooked.

In conclusion, while wp-sri version 0.4.0 has some strengths in its secure coding practices regarding SQL and output handling, the presence of an unprotected AJAX endpoint and a documented history of missing authorization vulnerabilities, including a currently unpatched medium severity issue, present significant risks. The unprotected AJAX handler and the unpatched CVE are the most critical areas requiring immediate attention.

Key Concerns

  • Unprotected AJAX handler
  • Currently unpatched CVE (medium severity)
  • Vulnerability history: Missing Authorization pattern
Vulnerabilities
1

Subresource Integrity (SRI) Manager Security Vulnerabilities

CVEs by Year

1 CVE in 2025 · unpatched
2025
Patched Has unpatched

Severity Breakdown

Medium
1

1 total CVE

CVE-2025-57936medium · 5.4Missing Authorization

Subresource Integrity (SRI) Manager <= 0.4.0 - Missing Authorization

Sep 22, 2025Unpatched
Code Analysis
Analyzed Mar 16, 2026

Subresource Integrity (SRI) Manager Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
2
10 escaped
Nonce Checks
3
Capability Checks
1
File Operations
0
External Requests
1
Bundled Libraries
0

Output Escaping

83% escaped12 total outputs
Attack Surface
1 unprotected

Subresource Integrity (SRI) Manager Attack Surface

Entry Points1
Unprotected1

AJAX Handlers 1

authwp_ajax_update_sri_excludewp-sri.php:45
WordPress Hooks 14
actionplugins_loadedwp-sri.php:35
actioncurrent_screenwp-sri.php:36
actionadmin_menuwp-sri.php:37
filterstyle_loader_tagwp-sri.php:39
filterscript_loader_tagwp-sri.php:40
filterset-screen-optionwp-sri.php:41
actionadmin_enqueue_scriptswp-sri.php:43
actionafter_setup_themewp-sri.php:48
actionadmin_noticeswp-sri.php:228
actionadmin_noticeswp-sri.php:233
actionadmin_noticeswp-sri.php:238
actionadmin_noticeswp-sri.php:247
actionadmin_noticeswp-sri.php:251
actionadmin_noticeswp-sri.php:255
Maintenance & Trust

Subresource Integrity (SRI) Manager Maintenance & Trust

Maintenance Signals

WordPress version tested5.6.17
Last updatedDec 3, 2020
PHP min version
Downloads18K

Community Trust

Rating58/100
Number of ratings11
Active installs1K
Developer Profile

Subresource Integrity (SRI) Manager Developer Profile

Meitar

13 plugins · 2K total installs

85
trust score
Avg Security Score
87/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect Subresource Integrity (SRI) Manager

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/wp-sri/js/wp-sri.js/wp-content/plugins/wp-sri/css/wp-sri.css
Script Paths
/wp-content/plugins/wp-sri/js/wp-sri.js
Version Parameters
wp-sri/js/wp-sri.js?ver=wp-sri/css/wp-sri.css?ver=

HTML / DOM Fingerprints

Data Attributes
integritycrossorigin
JS Globals
options
FAQ

Frequently Asked Questions about Subresource Integrity (SRI) Manager