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TI-2004-02361 Aliases CVE-2004-2491GHSA-6rch-h7pj-5838

A race condition in Opera web browser 7.53 Build 3850 causes Opera to fill in the address…

Priority LOW 22CWE-362Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
None · Partial · None
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

A race condition in Opera web browser 7.53 Build 3850 causes Opera to fill in the address bar before the page has been loaded, which allows remote attackers to spoof the URL in the address bar via the window.open and location.replace HTML parameters, which facilitates phishing attacks.

Why it matters now

EPSS 0.06317 93rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:opera:opera_browser:*:*:*:*:*:*:*:*up to 7.53VulnerableOpera
  • cpe:2.3:a:opera:opera_browser:*:*:*:*:*:*:*:* Versions up to 7.53 Vulnerable ·Opera

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2004-2491
  2. 2026-10-03 Alias added: GHSA-6rch-h7pj-5838

References

Exploit 2

Patch 1

  • TI-2015-03381 The TLS protocol 1.2 and earlier, when a DHE_EXPORT ciphersuite is enabled on a server… CVSS 3.1LOW 3.7
  • TI-2010-01304 Integer overflow in Opera 10.10 through 10.50 allows remote attackers to execute… CVSS 2.0HIGH 10.0
  • TI-2011-02999 The SSL protocol, as used in certain configurations in Microsoft Windows and Microsoft… CVSS 2.0MEDIUM 4.3
  • TI-2011-02290 Opera before 11.11 does not properly implement FRAMESET elements, which allows remote… CVSS 2.0HIGH 10.0
  • TI-2007-05262 Unspecified vulnerability in Adobe Flash Player 9.0.47.0 and earlier, when running on… CVSS 2.0HIGH 10.0
  • TI-2007-00121 Heap-based buffer overflow in Opera 9.02 allows remote attackers to execute arbitrary… CVSS 2.0HIGH 9.3
See all 281 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences