What is CVE-2025-63019?

CVE-2025-63019 is a medium-severity vulnerability in Johan Jonk Stenström Cookies And Content Security Policy, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 5.3/10. Published 2026-01-22.

How severe is CVE-2025-63019?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Johan Jonk Stenström Cookies And Content Security Policy

CVE-2025-63019

Insertion of Sensitive Information Into Sent Data vulnerability in Johan Jonk Stenström Cookies and Content Security Policy cookies-and-content-security-policy allows Retrieve Embedded Sensitive Data.This issue affects Cookies and Content Security Policy: from n/a through <= 2.34.

EPSS: 0.004 (27.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Johan Jonk Stenström Cookies And Content Security Policy — versions 0

Weakness classification (CWE)

CWE-201 — Insertion of Sensitive Information into Sent Data

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2025-63019?: CVE-2025-63019 is a medium-severity vulnerability in Johan Jonk Stenström Cookies And Content Security Policy, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 5.3/10. Published 2026-01-22.
How severe is CVE-2025-63019?: Medium severity. CVSS v3 base score is 5.3 out of 10.