medium6.1
CVE-2026-56704
Adminer before 5.4.3 inserts unsanitized database server version strings into script tags with valid CSP nonces without proper validation.
Impact
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
| Product | Affected versions |
|---|---|
| Adminer | before 5.4.3 |
Versions were read from the advisory text. No structured product data has been published for this record yet.