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WebDefender Security – Protection & AntiSpam 5.0.2.0

Does "WebDefender Security – Protection & AntiSpam" work with WordPress 6.8.3 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
4PHP notices
24PHP deprecation warnings
1JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 226.35 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.071 seconds
The average page load time increased by this amount after activating the plugin.

Environment
WordPress version6.8.3
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 1,000+
WordPress.org page https://wordpress.org/plugins/cwis-antivirus-malware-detected/
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Pages 4

Plugins ‹ Test site — WordPress

Page screenshot: Plugins ‹ Test site — WordPress
URL /wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL /wp-admin/plugins.php?action=activate&plugin=cwis-antivirus-malware-detected%2Fcwis-antivirus-malware-detected.php&plugin_status=all&paged=1&s&_wpnonce=cf27e22979
Aspect after-activation
HTTP status 200
Load time 4.513 s
Memory usage 3.67 MiB
JS errors 
[
    {
        "message": "SyntaxError: Invalid or unexpected token",
        "trace": null,
        "code": null
    }
]
Resource errors None

WebDefender Security

Page screenshot: WebDefender Security
URL /wp-admin/admin.php?page=cwis-scanner
Aspect menu-item
HTTP status 200
Load time 0.832 s
Memory usage 3.6 MiB
JS errors None
Resource errors None

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
URL /
Aspect front-page
HTTP status 200
Load time 0.190 s
Memory usage 3.49 MiB
JS errors None
Resource errors None

Dashboard ‹ Test site — WordPress

Page screenshot: Dashboard ‹ Test site — WordPress
URL /wp-admin/index.php
Aspect new-meta-boxes
HTTP status 200
Load time 1.418 s
Memory usage 4.89 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.343 s1.878 s+1.535 s3.51 MiB4.89 MiB+ 1.38 MiB
/wp-admin/edit.php0.223 s0.225 s+0.002 s3.57 MiB3.7 MiB+ 130.34 KiB
/wp-admin/post-new.php0.822 s0.653 s-0.169 s6.06 MiB6.23 MiB+ 177.88 KiB
/wp-admin/upload.php0.780 s0.557 s-0.223 s3.52 MiB3.61 MiB+ 92.56 KiB
/wp-admin/options-writing.php0.230 s0.202 s-0.028 s3.5 MiB3.6 MiB+ 96.55 KiB
/wp-admin/media-new.php0.262 s0.256 s-0.006 s3.49 MiB3.59 MiB+ 104.75 KiB
/wp-admin/edit-tags.php?taxonomy=category0.209 s0.192 s-0.017 s3.5 MiB3.62 MiB+ 115.42 KiB
/wp-admin/post-new.php?post_type=page0.746 s0.626 s-0.120 s6.05 MiB6.16 MiB+ 109.4 KiB
/wp-admin/options-discussion.php0.262 s0.402 s+0.140 s3.5 MiB3.59 MiB+ 93.05 KiB
/wp-admin/edit-comments.php0.446 s0.225 s-0.221 s3.52 MiB3.61 MiB+ 92.55 KiB
/0.316 s0.202 s-0.114 s3.43 MiB3.49 MiB+ 61.65 KiB
Average 0.422 s0.493 s+0.071 s3.97 MiB4.19 MiB+ 226.35 KiB

Code Statistics

Note: Third-party libraries and minified JS/CSS files are excluded from these statistics where possible, so the numbers you see here may be lower than those reported by other tools.

PHP
CSS
Language % Lines of code Comment lines Files
PHP56.7%21,2495,958122
CSS33.6%12,588273
SVG7.9%2,95902
JSON1.5%54501
HTML0.4%13533
JavaScript0.0%202
Total 37,478 5,988 133

PHP Code Analysis | More results »

Lines of code 20,324
Total complexity 5,534
Median class complexity 23.0
Median method complexity 3.0
Most complex class App\Library\CwisSecRipsScan
Most complex function App\Library\CwisSecRipsScan::parse()
Classes 103
Methods 834
Functions 58

Additions

Things that the plugin adds to the site. This section is not intended to be comprehensive. The test tool only looks for a few specific types of added content.

Options wp_options 2

Meta Boxes 

{
    "dashboard": {
        "cobwebsec": {
            "title": "WebDefender Security (formely CWIS Antivirus)",
            "context": "normal"
        }
    }
}

PHP Error Log 28 lines

[03-Oct-2025 16:38:25 UTC] PHP Deprecated:  preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 322
[03-Oct-2025 16:38:25 UTC] PHP Deprecated:  preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 424
[03-Oct-2025 16:38:25 UTC] PHP Deprecated:  preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 424
[03-Oct-2025 16:38:25 UTC] PHP Deprecated:  preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 424
[03-Oct-2025 16:38:25 UTC] PHP Deprecated:  preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 424
[03-Oct-2025 16:38:25 UTC] PHP Deprecated:  preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 322
[03-Oct-2025 16:38:25 UTC] PHP Deprecated:  preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 322
[03-Oct-2025 16:38:25 UTC] PHP Deprecated:  preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 424
[03-Oct-2025 16:38:25 UTC] PHP Deprecated:  preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 424
[03-Oct-2025 16:38:25 UTC] PHP Deprecated:  preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 424
[03-Oct-2025 16:38:25 UTC] PHP Deprecated:  preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 424
[03-Oct-2025 16:38:25 UTC] PHP Deprecated:  preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 322
[03-Oct-2025 16:38:27 UTC] PHP Deprecated:  preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 322
[03-Oct-2025 16:38:27 UTC] PHP Deprecated:  preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 424
[03-Oct-2025 16:38:27 UTC] PHP Deprecated:  preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 424
[03-Oct-2025 16:38:27 UTC] PHP Deprecated:  preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 424
[03-Oct-2025 16:38:27 UTC] PHP Deprecated:  preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 424
[03-Oct-2025 16:38:27 UTC] PHP Deprecated:  preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 322
[03-Oct-2025 16:38:29 UTC] PHP Notice: https://cobweb-security.com/laboratory/feed is invalid XML, likely due to invalid characters. XML error: XML_ERR_NAME_REQUIRED at line 1, column 2 in /wp-includes/SimplePie/src/SimplePie.php on line 1698
[03-Oct-2025 16:38:30 UTC] PHP Deprecated:  preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 322
[03-Oct-2025 16:38:30 UTC] PHP Deprecated:  preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 424
[03-Oct-2025 16:38:30 UTC] PHP Deprecated:  preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 424
[03-Oct-2025 16:38:30 UTC] PHP Deprecated:  preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 424
[03-Oct-2025 16:38:30 UTC] PHP Deprecated:  preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 424
[03-Oct-2025 16:38:30 UTC] PHP Deprecated:  preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /wp-content/plugins/cwis-antivirus-malware-detected/cwis-scan/app/Library/CwisLicensing.php on line 322
[03-Oct-2025 16:38:34 UTC] PHP Notice: https://cobweb-security.com/laboratory/feed is invalid XML, likely due to invalid characters. XML error: XML_ERR_NAME_REQUIRED at line 1, column 2 in /wp-includes/SimplePie/src/SimplePie.php on line 1698
[03-Oct-2025 16:38:42 UTC] PHP Notice: https://cobweb-security.com/laboratory/feed is invalid XML, likely due to invalid characters. XML error: XML_ERR_NAME_REQUIRED at line 1, column 2 in /wp-includes/SimplePie/src/SimplePie.php on line 1698
[03-Oct-2025 16:38:44 UTC] PHP Notice: https://cobweb-security.com/laboratory/feed is invalid XML, likely due to invalid characters. XML error: XML_ERR_NAME_REQUIRED at line 1, column 2 in /wp-includes/SimplePie/src/SimplePie.php on line 1698
See also: All tests for this plugin, How to Hide WebDefender Security – Protection & AntiSpam Admin Menus and Widgets