Watermark Manager Security & Risk Analysis

wordpress.org/plugins/watermark-manager

Apply text or image watermarks to WordPress media uploads with batch processing, templates, and backup/restore.

0 active installs v3.1.0 PHP 8.0+ WP 6.0+ Updated Mar 12, 2026
bulk-watermarkimageimage-protectionmediawatermark
100
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Watermark Manager Safe to Use in 2026?

Generally Safe

Score 100/100

Watermark Manager has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 22d ago
Risk Assessment

The "watermark-manager" v3.1.0 plugin exhibits a strong security posture based on the provided static analysis and vulnerability history. The absence of critical or high-severity findings in taint analysis, combined with a high percentage of prepared statements for SQL queries and proper output escaping, indicates good development practices. The presence of numerous nonce and capability checks further strengthens its defense against common web vulnerabilities.

However, while the attack surface appears small and well-protected, the static analysis did identify one cron event, which, if not properly secured or if it interacts with user-supplied data in an unvalidated manner, could present a potential, albeit small, risk. The plugin also performs 8 file operations, and without further context on how these are handled, there's a theoretical possibility of insecure file manipulation if not meticulously implemented. The lack of any recorded vulnerabilities in its history is a significant positive indicator, suggesting a mature and stable codebase.

In conclusion, "watermark-manager" v3.1.0 appears to be a secure plugin with robust security measures in place. The main areas for potential scrutiny would be the implementation of the single cron event and the file operation handling, although the current data doesn't present concrete evidence of vulnerabilities. The overall strengths in coding practices and the absence of a vulnerability history significantly outweigh the minor theoretical concerns.

Key Concerns

  • 1 Cron event present
  • 8 File operations performed
Vulnerabilities
None known

Watermark Manager Security Vulnerabilities

No known vulnerabilities — this is a good sign.
Code Analysis
Analyzed Mar 17, 2026

Watermark Manager Code Analysis

Dangerous Functions
0
Raw SQL Queries
3
22 prepared
Unescaped Output
2
151 escaped
Nonce Checks
21
Capability Checks
23
File Operations
8
External Requests
0
Bundled Libraries
0

SQL Query Safety

88% prepared25 total queries

Output Escaping

99% escaped153 total outputs
Data Flows
All sanitized

Data Flow Analysis

2 flows
ajax_import_settings (admin\class-settings-page.php:1427)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface

Watermark Manager Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 12
actionadd_meta_boxes_attachmentadmin\class-meta-box.php:47
actionadmin_enqueue_scriptsadmin\class-meta-box.php:48
filterattachment_fields_to_editadmin\class-meta-box.php:49
actionadmin_menuadmin\class-settings-page.php:71
actionadmin_initadmin\class-settings-page.php:72
actionadmin_initadmin\class-settings-page.php:73
actionadmin_enqueue_scriptsadmin\class-settings-page.php:74
actionwm_daily_backup_cleanupsrc\class-image-backup.php:92
actionplugins_loadedsrc\class-plugin.php:41
filterwp_generate_attachment_metadatasrc\class-plugin.php:67
filterwp_generate_attachment_metadatasrc\class-plugin.php:171
actioninitsrc\class-watermark-template.php:100

Scheduled Events 1

wm_daily_backup_cleanup
Maintenance & Trust

Watermark Manager Maintenance & Trust

Maintenance Signals

WordPress version tested6.7.5
Last updatedMar 12, 2026
PHP min version8.0
Downloads406

Community Trust

Rating0/100
Number of ratings0
Active installs0
Developer Profile

Watermark Manager Developer Profile

labanthegreat

1 plugin · 0 total installs

94
trust score
Avg Security Score
100/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect Watermark Manager

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/watermark-manager/assets/css/admin.css/wp-content/plugins/watermark-manager/assets/js/admin.js
Script Paths
/wp-content/plugins/watermark-manager/assets/js/admin.js
Version Parameters
watermark-manager/assets/css/admin.css?ver=watermark-manager/assets/js/admin.js?ver=

HTML / DOM Fingerprints

CSS Classes
wm-meta-boxwm-statuswm-badgewm-badge--appliedwm-badge--failedwm-badge--skippedwm-badge--nonewm-actions+3 more
Data Attributes
data-attachment-iddata-nonce
JS Globals
wmAdmin
FAQ

Frequently Asked Questions about Watermark Manager