CVE-2025-65203

KeePassXC-Browser thru 1.9.9.2 autofills or prompts to fill stored credentials into documents rendered under a browser-enforced CSP directive and iframe attribute sandbox, allowing attacker-controlled script in the sandboxed document to access populated form fields and exfiltrate credentials.

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/keepassxreboot/keepassxc-browser/issues/2647	Issue Tracking Third Party Advisory
https://github.com/keepassxreboot/keepassxc-browser/pull/2648	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:keepassxc:keepassxc-browser:*:*:*:*:*:*:*:*

History

13 Oct 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) KeePassXC-Browser hasta la versión 1.9.9.2 autorrellena o solicita rellenar credenciales almacenadas en documentos renderizados bajo una directiva CSP impuesta por el navegador y un atributo sandbox de iframe, permitiendo que un script controlado por el atacante en el documento en sandbox acceda a los campos de formulario rellenados y exfiltre las credenciales.

Information

Published : 2025-12-17 18:15

Updated : 2026-10-13 11:10

NVD link : CVE-2025-65203

Mitre link : CVE-2025-65203

CVE.ORG link : CVE-2025-65203

JSON object : View

Products Affected

keepassxc

keepassxc-browser

CWE

CWE-352

Cross-Site Request Forgery (CSRF)

CWE-353

Missing Support for Integrity Check

CWE-640

Weak Password Recovery Mechanism for Forgotten Password

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