CVE-2004-0871 — Mozilla does not prevent cookies that are sent over an insecure channel (HTTP) from also being sent over a secure channel (HTTPS/SSL) in the same domain, which could allow remote attackers to steal cookies and conduct unauthorized activities, aka "Cross Security Boundary Cookie Injection."

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MEDIUM

Mozilla does not prevent cookies that are sent over an insecure channel (HTTP) from also being sent over a secure channel (HTTPS/SSL) in the same domain, which could allow remote attackers to steal cookies and conduct unauthorized activities, aka "Cross Security Boundary Cookie Injection."

Published Feb 13, 2005

5.0

MEDIUM

CVSS 2.0

EPSS 1.14%

Description

Mozilla does not prevent cookies that are sent over an insecure channel (HTTP) from also being sent over a secure channel (HTTPS/SSL) in the same domain, which could allow remote attackers to steal cookies and conduct unauthorized activities, aka "Cross Security Boundary Cookie Injection."

Affected products

Remediation

No remediation recorded yet.

Metrics

1.14% 0.01139

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01139

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.14% (0.01139)	65.41th	v5 (v2026.06.15)
Jun 15, 2026	1.14% (0.01139)	62.32th	v5 (v2026.06.15)
Mar 17, 2025	0.44% (0.00438)	60.94th	v4 (v2025.03.14)
Dec 12, 2024	0.33% (0.00325)	71.64th	v3 (v2023.03.01)
Feb 8, 2024	0.33% (0.00325)	69.99th	v3 (v2023.03.01)
Mar 7, 2023	0.33% (0.00327)	66.21th	v3 (v2023.03.01)
Mar 6, 2023	1.21% (0.01213)	66.61th	v2 (v2022.01.01)
Feb 17, 2023	1.21% (0.01213)	66.22th	v2 (v2022.01.01)
Apr 1, 2022	1.21% (0.01213)	64.21th	v2 (v2022.01.01)
Feb 4, 2022	1.21% (0.01213)	40.54th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (4)

http://securityfocus.com/archive/1/375407
mailing-listx_refsource_BUGTRAQVendor Advisory
http://securitytracker.com/id?1011331
vdb-entryx_refsource_SECTRACK
http://www.westpoint.ltd.uk/advisories/wp-04-0001.txt
x_refsource_MISCVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/17417
vdb-entryx_refsource_XF

Link	Providers	Tags
http://securityfocus.com/archive/1/375407		mailing-listx_refsource_BUGTRAQVendor Advisory
http://securitytracker.com/id?1011331		vdb-entryx_refsource_SECTRACK
http://www.westpoint.ltd.uk/advisories/wp-04-0001.txt		x_refsource_MISCVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/17417		vdb-entryx_refsource_XF

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Feb 13, 2005

Updated Aug 8, 2024

Reserved Sep 14, 2004

Link CVE-2004-0871

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2004-0871

Red Hat

Severity n/a

Public date n/a

Links CVE-2004-0871