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Flask vs Joomla

Security & risk comparison · Updated June 2026

How does Flask compare to Joomla on security, AI-readiness, and total cost of ownership? We scored both across 7 dimensions using NVD/NIST CVE data, GitHub metrics, and our scan of 10M+ sites.

Key finding

Flask scores 63/100 overall versus Joomla's 34/100. Flask has 30 total CVEs compared to Joomla's 800, giving it a smaller vulnerability surface. (Source: WebPulse framework scoring, NVD/NIST, July 2026)

63
Flask
Modern · PYTHON
vs
34
Joomla
Legacy · PHP
Dimension-by-dimension breakdown
security Flask
75
30
Flask
Joomla
performance Tie
65
65
Flask
Joomla
ecosystem Flask
50
25
Flask
Joomla
ai readiness Flask
70
25
Flask
Joomla
developer experience Flask
70
40
Flask
Joomla
market trajectory Flask
40
20
Flask
Joomla
cost of ownership Flask
60
35
Flask
Joomla
Security details
Metric Flask Joomla
Total CVEs 30 800
Critical CVEs 3 65
Exploited (KEV) 0 5
CVEs last year 5 80
Avg CVSS 4.8 6.8
Security score 75/100 30/100
Acceptable
Flask

Flask scores 64/100. Verdict: Acceptable.

Migrate Away
Joomla

Joomla scores 34/100. Consider migrating to: nextjs, astro, hugo.

Alternatives: nextjs, astro, hugo

Quick facts
Flask
Category: Backend
Language: PYTHON
First release: 2010
Generation: Modern
Trend: Stable
Market share: 0.5%
Joomla
Category: Cms
Language: PHP
First release: 2005
Generation: Legacy
Trend: Declining
Market share: 1.2%
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More comparisons
Flask vs WordPress Flask vs Next.js Flask vs Drupal Flask vs React Flask vs Angular Flask vs Django Flask vs Laravel Flask vs Vue.js Flask vs Astro Flask vs Hugo Flask vs SvelteKit Flask vs Rails Joomla vs WordPress Joomla vs Next.js Joomla vs Drupal Joomla vs React Joomla vs Angular Joomla vs Django Joomla vs Laravel Joomla vs Vue.js Joomla vs Astro Joomla vs Hugo Joomla vs SvelteKit Joomla vs Rails

Data sourced from NVD/NIST CVE database, GitHub API, and WebPulse framework scanner. Scores calculated using a 7-dimension model covering security, performance, ecosystem health, AI-readiness, developer experience, market trajectory, and cost of ownership. Updated June 2026.