CVE-2003-1420

Cross-site scripting (XSS) vulnerability in Opera 6.0 through 7.0 with automatic redirection disabled allows remote attackers to inject arbitrary web script or HTML via the HTTP Location header.

Published: 2003-12-31 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

NVD Status：Modified，CVE State: published

View at NVD, CVE.org, EUVD

Conclusion & alert: CVE-2003-1420 is rated Moderate Risk (46.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.00%). Core evidence: EPSS rose +1.52% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2003-1420

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.48%	2.00%	+1.52%
2	2025-11-14	0.36%	0.48%	+0.12%
3	2025-03-14	—	0.36%	—

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-1420

CVSS metrics for this CVE.

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
4.3	2.0	MEDIUM	`AV:N/AC:M/Au:N/C:N/I:P/A:N` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:M) Exploitation needs some favorable conditions, but not exceptional ones. Authentication (AU:N) No authentication is required. Confidentiality impact (C:N) No confidentiality impact. Integrity impact (I:P) Partial integrity impact. Availability impact (A:N) No availability impact.	8.6	2.9	[email protected]

Weakness enumeration for CVE-2003-1420

CWE-79 MITRE ↗

Affected software / configurations for CVE-2003-1420

Vendor	Product	Version	Raw CPE
opera	opera_browser	>= 6.0, < 7.02	cpe:2.3:a:opera:opera_browser::::::::

References for CVE-2003-1420

URL	Tags
http://www.securityfocus.com/archive/1/313216	Broken Link Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/6962	Broken Link Patch Third Party Advisory VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/11423	Third Party Advisory VDB Entry

cvelogic Threat Intelligence