CVE•Published 2025-12-17•Modified 2026-10-13•0 articles on news•3 live references•NVD data

CVE-2025-65203Keepassxc · Keepassxc-browser

Vulnerability data via NVD (ingested)

CVSS v3.1

7.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

EPSS percentile

Exploit Prediction Scoring System · top 97% of all CVEs

Weaknesses (CWE)

CWE-352Cross-Site Request Forgery (CSRF)CWE-353Missing Support for Integrity Check CWE-640Weak Password Recovery Mechanism for Forgotten Password

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.

Timeline

Published 2025-12-17

Modified 2026-10-13

External references

NVD MITRE VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2025-65203

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Keepassxc Keepassxc-browser"

All exposed Keepassxc Keepassxc-browser instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Keepassxc-browser"

HTTP body or banner mentions "Keepassxc-browser" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2025-65203