CVE-2026-65898 - CERT CVE
ID CVE-2026-65898
Sažetak DOMPurify before 3.4.11 fails to clone the ALLOWED_ATTR allowlist when setConfig() is used with an uponSanitizeAttribute hook, allowing the hook to permanently mutate the shared allowlist. Attackers can register a hook that conditionally allows dangerous attributes like onerror for trusted elements, then submit untrusted content that inherits the polluted allowlist and executes event handlers as stored XSS.
Reference
CVSS
Base: 7.2
Impact: 2.7
Exploitability:3.9
Pristup
VektorSloženostAutentikacija
NETWORK LOW NONE
Impact
PovjerljivostCjelovitostDostupnost
LOW LOW NONE
CVSS vektor CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Zadnje važnije ažuriranje 28-07-2026 - 15:54
Objavljeno 23-07-2026 - 14:18