CVE-2002-0783

Opera Web Browser 5.12-6.01 - Cross-Site Scripting via JavaScript URL in Frame

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2002-0783. PoCs published by Andreas Sandblad.

AI-analyzed exploit summary This exploit demonstrates a same-origin policy bypass in Opera Browser by using JavaScript to modify the location property of an IFRAME, executing arbitrary script in the context of another site. It leverages a javascript: URL to execute code within the frame's origin, potentially leaking sensitive data like cookies.

Description

Opera 6.01, 6.0, and 5.12 allows remote attackers to execute arbitrary JavaScript in the security context of other sites by setting the location of a frame or iframe to a Javascript: URL.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Andreas Sandblad · textremotewindows
https://www.exploit-db.com/exploits/21451

This exploit demonstrates a same-origin policy bypass in Opera Browser by using JavaScript to modify the location property of an IFRAME, executing arbitrary script in the context of another site. It leverages a javascript: URL to execute code within the frame's origin, potentially leaking sensitive data like cookies.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Opera Browser (versions affected by CVE-2002-0783)
No auth needed
Prerequisites: Victim must visit a malicious webpage · Opera Browser vulnerable to CVE-2002-0783
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Patch, Vendor Advisory vdb-entry x_refsource_xf
http://www.iss.net/security_center/static/9096.php
Exploit, Vendor Advisory mailing-list x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2002-05/0117.html
Exploit, Patch, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/4745

Scores

EPSS 0.0281
EPSS Percentile 84.7%

Details

Status published
Products (3)
opera_software/opera_web_browser 5.12 (2 CPE variants)
opera_software/opera_web_browser 6.0 (2 CPE variants)
opera_software/opera_web_browser 6.0.1 (2 CPE variants)
Published Aug 12, 2002
Tracked Since Feb 18, 2026