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.
Affected products
keepassxc: keepassxc-browser
References2
- github.com/keepassxreboot/keepassxc-browser/pull/2648 PatchThird Party Advisory
- github.com/keepassxreboot/keepassxc-browser/issues/2647 Issue TrackingThird Party Advisory
Metrics
- CVSS 3.1
-
7.1
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N - EPSS — exploit probability
- 0% percentile: 3 · as of 11 November 2026
- CWE
- CWE-352CWE-353CWE-640
Could this be exploited in your environment?
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