What’s Vulnerable › Vulnerabilities

CVE-2003-1561

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2003-12-31 · updated 2026-06-16
• Weakness: CWE-200

Description

Opera, probably before 7.50, sends Referer headers containing https:// URLs in requests for http:// URLs, which allows remote attackers to obtain potentially sensitive information by reading Referer log data.

Affected products

• Opera Software AS Opera for Android: all versions

References

• http://securityreason.com/securityalert/4004
• http://www.securityfocus.com/archive/1/348574
• http://securityreason.com/securityalert/4004
• http://www.securityfocus.com/archive/1/348574

Get alerted when CVE-2003-1561 or the next vulnerability affects your stack