Slim SEO – A Fast & Automated SEO Plugin For WordPress
Slug: slim-seo · Anh Tran · 60,000+
Overall Score
Excellent quality and security
91
Excellent
What this score means
Scores are calculated on a 100-point scale by analysing six weighted categories: Security, WP.org Readiness, Performance, Code Quality, Accessibility, and Vulnerabilities. Open vulnerabilities are weighted by severity, CVSS, and patch availability, and incomplete source data can reduce confidence slightly.
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Excellent The plugin follows best practices across every measured category. It is well-maintained, low-risk, and recommended for production use.
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Good Strong overall quality with minor areas for improvement. Generally safe to use on most sites.
-
Needs Review Some areas of concern detected. Review the full issues report and weigh the risks before installing on production.
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High Risk Significant quality or security problems found. Exercise caution — check the details carefully before using this plugin.
Score computed: May 24, 2026 12:23 am (2 weeks ago). Vulnerability data mode: Live.
High confidence (100/100) based on metadata completeness and vulnerability evidence quality.
Open vulnerabilities are weighted by severity, CVSS, and patch availability, then adjusted slightly when the source data is incomplete.
High confidence (100/100) based on metadata completeness and vulnerability evidence quality.
Open vulnerabilities are weighted by severity, CVSS, and patch availability, then adjusted slightly when the source data is incomplete.
- Wordfence: June 10, 2026 4:46 am (16 minutes ago)
Score Breakdown
Security
76
Needs Review
Why this score?
Top deductions are based on 1 affected rules, reducing this category by 24 total points.
| Rule | Hits | Impact | Share |
|---|---|---|---|
| Security issue: Warning | 6 | -24 | 100% |
WP.org Readiness
90
Excellent
Why this score?
Top deductions are based on 3 affected rules, reducing this category by 10 total points.
| Rule | Hits | Impact | Share |
|---|---|---|---|
| Repo issue: Notice | 4 | -4 | 40% |
| Repo issue: Warning | 1 | -3 | 30% |
| Tested up to version is behind current WordPress | 1 | -3 | 30% |
Performance
97
Excellent
Why this score?
Top deductions are based on 1 affected rules, reducing this category by 3 total points.
| Rule | Hits | Impact | Share |
|---|---|---|---|
| Performance issue: Warning | 1 | -3 | 100% |
Code Quality
98
Excellent
Why this score?
Top deductions are based on 1 affected rules, reducing this category by 2 total points.
| Rule | Hits | Impact | Share |
|---|---|---|---|
| Code Quality issue: Notice | 2 | -2 | 100% |
Accessibility
100
Excellent
Why this score?
Top deductions are based on 0 affected rules, reducing this category by 0 total points.
No deductions were applied for this category in the latest score run.
Vulnerability Status
100
Excellent
Why this score?
Top deductions are based on 0 affected rules, reducing this category by 0 total points.
No deductions were applied for this category in the latest score run.
Plugin Details
- Version: 4.9.7
- Active Installs: 60,000+
- Last Updated: 2026-05-13 02:40:00
- Tested up to: 6.9.4
- Requires PHP: 7.4
- Rating: 4.7/5 (136 ratings)
- Support: 5/6 resolved (83%)
- View on WordPress.org
- Download Plugin
Scan Summary
- Errors: 0
- Warnings: 8
- Notices: 6
- Last Scanned: 2026-05-23 23:23:41
- Score confidence: 100/100
Scans are performed automatically once per day, and the report will note when source data is stale or incomplete.
What Changed Since Last Scan
Run at least two completed scans to view issue deltas.
Detected Issues
| Severity | Category | Message | File | Fix Guidance |
|---|---|---|---|---|
| NOTICE | REPO | Plugin has no header banner on WordPress.org. |
Quick
Upload the required WordPress.org banner image sizes in SVN assets.
Moderate
Create responsive-safe banner designs with legible copy and branding.
Advanced
Integrate listing asset checks in the release pipeline with design QA approvals.
|
|
| WARNING | REPO | Main plugin file does not declare a Text Domain header. | slim-seo.php |
Quick
Add a Text Domain header so translation tooling and WordPress.org can identify the plugin textdomain.
Moderate
Apply the same remediation pattern across repo findings and re-scan to confirm warning issues drop.
Advanced
Add automated linting, CI checks, and team review guidance so this issue class is prevented in future releases.
|
| NOTICE | REPO | Main plugin file does not declare a Domain Path header. | slim-seo.php |
Quick
Add a Domain Path header if language files are stored in a languages directory.
Moderate
Apply the same remediation pattern across repo findings and re-scan to confirm notice issues drop.
Advanced
Add automated linting, CI checks, and team review guidance so this issue class is prevented in future releases.
|
| NOTICE | REPO | Plugin package does not include a license file. |
Quick
Add a LICENSE or COPYING file so distribution terms are explicit.
Moderate
Apply the same remediation pattern across repo findings and re-scan to confirm notice issues drop.
Advanced
Add automated linting, CI checks, and team review guidance so this issue class is prevented in future releases.
|
|
| NOTICE | CODE_QUALITY | Short PHP opening tags or inline template tags may reduce compatibility across environments. | src/Helpers/Images.php |
Quick
Prefer full <?php opening tags for maximum portability.
Moderate
Apply the same remediation pattern across code quality findings and re-scan to confirm notice issues drop.
Advanced
Add automated linting, CI checks, and team review guidance so this issue class is prevented in future releases.
|
| WARNING | SECURITY | Direct database query detected without an immediately visible $wpdb->prepare() wrapper. | src/Migration/Sources/RankMath.php |
Quick
Wrap dynamic SQL arguments with $wpdb->prepare() in the flagged query.
Moderate
Refactor repeated SQL into repository/helper methods that enforce prepared statements by default.
Advanced
Add integration tests and static checks that fail builds when direct dynamic SQL is introduced.
|
| WARNING | SECURITY | Direct database query detected without an immediately visible $wpdb->prepare() wrapper. | src/Migration/Sources/Redirects301.php |
Quick
Wrap dynamic SQL arguments with $wpdb->prepare() in the flagged query.
Moderate
Refactor repeated SQL into repository/helper methods that enforce prepared statements by default.
Advanced
Add integration tests and static checks that fail builds when direct dynamic SQL is introduced.
|
| WARNING | SECURITY | Direct database query detected without an immediately visible $wpdb->prepare() wrapper. | src/Migration/Sources/Redirection.php |
Quick
Wrap dynamic SQL arguments with $wpdb->prepare() in the flagged query.
Moderate
Refactor repeated SQL into repository/helper methods that enforce prepared statements by default.
Advanced
Add integration tests and static checks that fail builds when direct dynamic SQL is introduced.
|
| WARNING | SECURITY | Direct database query detected without an immediately visible $wpdb->prepare() wrapper. | src/Redirection/Database/Log404.php |
Quick
Wrap dynamic SQL arguments with $wpdb->prepare() in the flagged query.
Moderate
Refactor repeated SQL into repository/helper methods that enforce prepared statements by default.
Advanced
Add integration tests and static checks that fail builds when direct dynamic SQL is introduced.
|
| WARNING | SECURITY | Direct database query detected without an immediately visible $wpdb->prepare() wrapper. | src/Sitemaps/PostType.php |
Quick
Wrap dynamic SQL arguments with $wpdb->prepare() in the flagged query.
Moderate
Refactor repeated SQL into repository/helper methods that enforce prepared statements by default.
Advanced
Add integration tests and static checks that fail builds when direct dynamic SQL is introduced.
|
| NOTICE | CODE_QUALITY | Short PHP opening tags or inline template tags may reduce compatibility across environments. | src/Sitemaps/Manager.php |
Quick
Prefer full <?php opening tags for maximum portability.
Moderate
Apply the same remediation pattern across code quality findings and re-scan to confirm notice issues drop.
Advanced
Add automated linting, CI checks, and team review guidance so this issue class is prevented in future releases.
|
| WARNING | PERFORMANCE | flush_rewrite_rules() detected. | src/Deactivator.php |
Quick
Only flush rewrite rules during activation or explicit maintenance flows.
Moderate
Apply the same remediation pattern across performance findings and re-scan to confirm warning issues drop.
Advanced
Add automated linting, CI checks, and team review guidance so this issue class is prevented in future releases.
|
| WARNING | SECURITY | Direct database query detected without an immediately visible $wpdb->prepare() wrapper. | uninstall.php |
Quick
Wrap dynamic SQL arguments with $wpdb->prepare() in the flagged query.
Moderate
Refactor repeated SQL into repository/helper methods that enforce prepared statements by default.
Advanced
Add integration tests and static checks that fail builds when direct dynamic SQL is introduced.
|
| NOTICE | REPO | Translation functions are present, but no textdomain loader was detected. |
Quick
Call load_plugin_textdomain() during plugin bootstrap so translations can be loaded.
Moderate
Apply the same remediation pattern across repo findings and re-scan to confirm notice issues drop.
Advanced
Add automated linting, CI checks, and team review guidance so this issue class is prevented in future releases.
|
Score History
No history available yet. · All-Time High: N/A
All Past Vulnerabilities
Showing all known historical vulnerabilities for this plugin, including open and closed records.
| Vulnerability | CVE | Severity | Status | Affected Versions | Patched Version | Updated | Source |
|---|---|---|---|---|---|---|---|
| Slim SEO <= 4.5.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via slim_seo_breadcrumbs Shortcode | N/A | LOW | Closed | *-4.5.3 | 4.5.4 | 2025-05-20 20:50:49 | Wordfence |
| Slim SEO <= 4.5.4 - Authenticated (Administrator+) SQL Injection | N/A | LOW | Closed | *-4.5.4 | 4.5.5 | 2025-06-12 00:00:00 | Wordfence |