Medium severity6.1NVD Advisory· Published Aug 25, 2026
CVE-2026-56704
CVE-2026-56704
Description
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.
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Affected products
1Patches
Vulnerability mechanics
References
2News mentions
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