CVE-2026-56704
Adminer before 5.4.3 inserts unsanitized database server version strings into script tags with valid CSP nonces without proper validation. Attackers controlling a rogue MySQL server can return crafted version strings that break out of the JavaScript context and execute arbitrary code, bypassing Content Security Policy protections.
- Affected products
- Adminer
- CVSS 3.1
- 6.1 MEDIUM
- EPSS
- 0.2% (15th percentile)
- Weakness
- CWE-79
- NVD status
- Received
- Published
- 2026-08-25
CVE-2026-56704 at NVD
No indexed exploits for CVE-2026-56704 yet
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No exploit for CVE-2026-56704 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.