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.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://github.com/keepassxreboot/keepassxc-browser/pull/2648 Patch, Third Party Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.1 · keepassxcNVD modified 2026-10-13 11:10
Affected (CPE criteria) 1
cpe:2.3:a:keepassxc:keepassxc-browser:*:*:*:*:*:*:*:*
References 2
- https://github.com/keepassxreboot/keepassxc-browser/issues/2647 Issue Tracking, Third Party Advisory
- https://github.com/keepassxreboot/keepassxc-browser/pull/2648 Patch, Third Party Advisory