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HIGH · 7.1

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...

Vulnerability Description

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 Score

7.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
KeepassxcKeepassxc-Browser<= 1.9.9.2

Related Weaknesses (CWE)

CWE-640CWE-353CWE-352

References

FAQ

What is CVE-2025-65203?

CVE-2025-65203 is a vulnerability with a CVSS score of 7.1 (HIGH). 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...

How severe is CVE-2025-65203?

CVE-2025-65203 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-65203?

Check the references section above for vendor advisories and patch information. Affected products include: Keepassxc Keepassxc-Browser.