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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-56704

Adminer before 5.4.3 Cross-Site Scripting via MySQL Version String

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

vrana adminer

Default version status: unaffected

  • 0 to < 5.4.3affected
  • 5.4.3unaffected

References