Stockholm Core

Stockholm Core has 4 disclosed vulnerabilities in the WordSec catalog, reported between 2024 and 2025; 2 are fixed and 2 remain unpatched as of September 2026. Their average CVSS score is 7.2, and the most serious one scores 8.8 out of 10. Severity breakdown: 0 critical and 2 high. 2025 was the busiest year with 2 disclosures.

The most common weakness is Cross-Site Scripting, behind 2 of the records (50%). Other recurring categories include PHP Remote File Inclusion.

2 of the records (50%) have a vendor fix, while 2 remain unpatched. The oldest unresolved one dates back to 2025.

2 independent researchers contributed these findings, most of them (2) reported by João Pedro Soares de Alcântara.