CVE-2004-0872 — Opera 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

Opera 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 2.73%

Description

Opera 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

2.73% 0.02731

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

EPSS probability 0.02731

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 (11 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	2.73% (0.02731)	85.58th	v5 (v2026.06.15)
Jun 15, 2026	2.73% (0.02731)	84.12th	v5 (v2026.06.15)
Mar 17, 2025	1.00% (0.01004)	75.48th	v4 (v2025.03.14)
Dec 12, 2024	0.33% (0.00332)	72.00th	v3 (v2023.03.01)
Feb 8, 2024	0.33% (0.00332)	70.34th	v3 (v2023.03.01)
Jan 21, 2024	0.33% (0.00332)	68.16th	v3 (v2023.03.01)
Mar 7, 2023	0.36% (0.00359)	67.76th	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 (1)

CWE-669

References (4)

http://securityfocus.com/archive/1/375407
mailing-listx_refsource_BUGTRAQBroken LinkThird Party AdvisoryVDB EntryVendor Advisory
http://securitytracker.com/id?1011329
vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry
http://www.westpoint.ltd.uk/advisories/wp-04-0001.txt
x_refsource_MISCBroken LinkVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/17417
vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry

Link	Providers	Tags
http://securityfocus.com/archive/1/375407		mailing-listx_refsource_BUGTRAQBroken LinkThird Party AdvisoryVDB EntryVendor Advisory
http://securitytracker.com/id?1011329		vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry
http://www.westpoint.ltd.uk/advisories/wp-04-0001.txt		x_refsource_MISCBroken LinkVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/17417		vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry

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-2004-0872

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2004-0872

Red Hat

Severity n/a

Public date n/a

Links CVE-2004-0872