CVE-2026-21580

CVE-2026-21580: Stored XSS Hits Atlassian Confluence Confluence vulnerability CVE-2026-21580 stored XSS unauthenticated attack diagram for Atlassian Data Center and Server

CVE-2026-21580: Stored XSS Hits Atlassian Confluence

Do Son August 19, 2026

TL;DR Atlassian patched two high-severity flaws in its self-hosted products. The first, CVE-2026-21580, is a stored XSS...

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Critical Alert 4 Active Exploits Detected Today

CVE-2026-21580: Stored XSS Hits Atlassian Confluence