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Opera Web Browser Address Bar URI Spoofing Vulnerability

Opera Web Browser is affected by a URI-spoofing vulnerability because it fails to adequately handle user-supplied data.

An attacker may leverage this issue by padding the URI and inserting arbitrary content to spoof the source URI of a file presented to an unsuspecting user. This may lead to a false sense of trust as the victim may be presented with a source URI of a trusted site while interacting with the attacker's malicious site.

Opera 9.21 is vulnerable; other versions may also be affected.

NOTE: KDE's Konqueror browser is also affected by this issue. Please see BID 24912 for more information.