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.
References (2)
Core 2
Core References
Third Party Advisory, Issue Tracking
https://github.com/keepassxreboot/keepassxc-browser/issues/2647
Patch, Third Party Advisory
https://github.com/keepassxreboot/keepassxc-browser/pull/2648
Scores
CVSS v3
7.1
EPSS
0.0011
EPSS Percentile
1.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-353
CWE-352
CWE-640
Status
published
Products (1)
keepassxc/keepassxc-browser
< 1.9.9.2
Published
Dec 17, 2025
Tracked Since
Feb 18, 2026