What is CVE-2025-65203?

CVE-2025-65203 is a high-severity vulnerability in Keepassxc Keepassxc-browser, classified under Cross-Site Request Forgery (CSRF). CVSS score: 7.1/10. Published 2025-12-17.

How severe is CVE-2025-65203?

High severity. CVSS v3 base score is 7.1 out of 10.

CSRF in Keepassxc Keepassxc-browser

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 ac…

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.001 (2.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N.

Affected products

Keepassxc Keepassxc-browser
N/a — versions n/a

Weakness classification (CWE)

References

cve@mitre.org (Third Party Advisory, Issue Tracking)
cve@mitre.org (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2025-65203?: CVE-2025-65203 is a high-severity vulnerability in Keepassxc Keepassxc-browser, classified under Cross-Site Request Forgery (CSRF). CVSS score: 7.1/10. Published 2025-12-17.
How severe is CVE-2025-65203?: High severity. CVSS v3 base score is 7.1 out of 10.