CVE-2004-1157 — Opera 7.x up to 7.54, and possibly other versions, allows remote attackers to spoof arbitrary web sites by injecting content from one window into a target window whose name is known but resides in a different domain, as demonstrated using a pop-up window on a trusted web site, aka the "window injection" vulnerability

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HIGH

Opera 7.x up to 7.54, and possibly other versions, allows remote attackers to spoof arbitrary web sites by injecting content from one window into a target window whose name is known but resides in a different domain, as demonstrated using a pop-up window on a trusted web site, aka the "window injection" vulnerability

Published Dec 10, 2004

7.5

HIGH

CVSS 2.0

EPSS 2.50%

Description

Opera 7.x up to 7.54, and possibly other versions, allows remote attackers to spoof arbitrary web sites by injecting content from one window into a target window whose name is known but resides in a different domain, as demonstrated using a pop-up window on a trusted web site, aka the "window injection" vulnerability.

Affected products

Remediation

No remediation recorded yet.

Metrics

2.50% 0.02497

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

EPSS probability 0.02497

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	2.50% (0.02497)	84.12th	v5 (v2026.06.15)
Jun 15, 2026	2.50% (0.02497)	82.56th	v5 (v2026.06.15)
Mar 17, 2025	0.67% (0.00673)	69.70th	v4 (v2025.03.14)
Dec 12, 2024	1.17% (0.01172)	85.64th	v3 (v2023.03.01)
Nov 17, 2023	1.17% (0.01172)	83.38th	v3 (v2023.03.01)
Mar 7, 2023	1.27% (0.01274)	83.55th	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-74

References (4)

http://secunia.com/advisories/13253/
third-party-advisoryx_refsource_SECUNIABroken LinkVendor Advisory
http://secunia.com/multiple_browsers_window_injection_vulnerability_test/
x_refsource_MISCBroken Link
http://secunia.com/secunia_research/2004-13/advisory/
x_refsource_MISCBroken Link
http://www.gentoo.org/security/en/glsa/glsa-200502-17.xml
vendor-advisoryx_refsource_GENTOOThird Party Advisory

Link	Providers	Tags
http://secunia.com/advisories/13253/		third-party-advisoryx_refsource_SECUNIABroken LinkVendor Advisory
http://secunia.com/multiple_browsers_window_injection_vulnerability_test/		x_refsource_MISCBroken Link
http://secunia.com/secunia_research/2004-13/advisory/		x_refsource_MISCBroken Link
http://www.gentoo.org/security/en/glsa/glsa-200502-17.xml		vendor-advisoryx_refsource_GENTOOThird Party Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Dec 10, 2004

Updated Aug 8, 2024

Reserved Dec 8, 2004

Link CVE-2004-1157

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2004-1157

Red Hat

Severity n/a

Public date n/a

Links CVE-2004-1157