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Vulnerabilities

Vulnerability · 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 Embe

Published Jan 22, 2026 · catalog updated Apr 28, 2026 · Johan Jonk Stenström Cookies and Content Security Policy

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-63019. EPSS is 0.39%. Act only if a listed version of Johan Jonk Stenström Cookies and Content Security Policy is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.39%
Remediation
Advisory link
Affected products
vendor Johan Jonk Stenström Cookies and Content Security Policy 0 ≤2.34

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Johan Jonk Stenström Cookies and Content Security Policy 0 ≤2.340 ≤2.34

How to fix CVE-2025-63019

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-63019. EPSS is 0.39%. Act only if a listed version of Johan Jonk Stenström Cookies and Content Security Policy is installed.

Which versions are affected?

Compare what you have installed with Johan Jonk Stenström Cookies and Content Security Policy 0 ≤2.34 0 ≤2.34. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.39%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 22, 2026 · EUVD

    Detected

    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.

  2. Apr 28, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-63019

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-63019

    30-day exploitation probability 0.39%

    first.org
  • EUVDVulnerability recordEUVD-2026-4052

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 6, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 2, 2026