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CVE-2025-65203

Good to know:

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Date: December 17, 2025

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.

Severity Score

Related Resources (4)

https://github.com/keepassxreboot/keepassxc-browser/pull/2648
https://nvd.nist.gov/vuln/detail/CVE-2025-65203
https://github.com/keepassxreboot/keepassxc-browser/issues/2647
https://www.mend.io/vulnerability-database/CVE-2025-65203

Severity Score

Weakness Type (CWE)

Cross-Site Request Forgery (CSRF)

CWE-352

Weak Password Recovery Mechanism for Forgotten Password

CWE-640

Missing Support for Integrity Check

CWE-353

Top Fix

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Upgrade Version

Upgrade to version https://github.com/keepassxreboot/keepassxc-browser.git - 1.9.9.3

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): LOW
Availability (A): NONE

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