CVE-2004-0717
HighSummary
Vulnerability in Opera 7.51 for Windows and 7.50 for Linux allows a frame from one domain to inject content into a frame belonging to another domain. This issue can be exploited for website spoofing and other attacks.
Risk Assessment
An attacker can impersonate a trusted website by displaying fake content in a frame, potentially leading to theft of login credentials or other sensitive information.
Recommendation
It is recommended to update Opera browser to a version newer than 7.51/7.50 where this vulnerability is fixed. If an update is not possible, consider using a different browser.
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Original NVD description (English source)
Opera 7.51 for Windows and 7.50 for Linux does not properly prevent a frame in one domain from injecting content into a frame that belongs to another domain, which facilitates web site spoofing and other attacks, aka the frame injection vulnerability.