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Stored XSS in SEO Fields Leads to Authenticated API Data Exposure in ApostropheCMS

🗓️ 16 Apr 2026 20:44:18Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 5 Views

Stored XSS in ApostropheCMS SEO fields allows executing JS and exfiltrating data via API requests.

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30 Apr 2026 20:08Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.18.7
EPSS0.00037
SSVC
5