What is the CVSS score of CVE-2025-63019?

CVE-2025-63019 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of Johan Jonk Stenström Cookies are affected by CVE-2025-63019?

A HIGH severity vulnerability (CVE-2025-63019, CVSS 7.5) exists in the Cookies and Content Security Policy component with no available patch.

How to fix or mitigate CVE-2025-63019?

Within 24 hours: Inventory all systems and applications using the affected Cookies and Content Security Policy library and assess exposure. Within 7 days: Implement compensating controls (WAF rules, CSP hardening, input validation) and establish vendor communication channels for patch availability. Within 30 days: Develop a remediation roadmap including application updates, library replacement evaluation, or architectural changes to reduce dependency on vulnerable component.

Johan Jonk Stenström Cookies CVE-2025-63019

MEDIUM

Insertion of Sensitive Information Into Sent Data (CWE-201)

2026-01-22 audit@patchstack.com

Information Disclosure

5.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

Severity Changed

Apr 23, 2026 - 15:43 NVD

HIGH MEDIUM

CVSS changed

Apr 23, 2026 - 15:43 NVD

7.5 (HIGH) 5.3 (MEDIUM)

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Jan 22, 2026 - 17:15 nvd

HIGH 7.5

DescriptionCVE.org

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.

AnalysisAI

Johan Jonk Stenström Cookies and Content Security Policy cookies-and-content-security-policy contains a security vulnerability (CVSS 7.5).

Technical ContextAI

affects Johan Jonk Stenström Cookies and Content Security Policy cookies-and-content-security-policy. 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.