Opera Web Browser 7.0 through 7.23 allows remote attackers to trick users into executing a malicious file by embedding a CLSID in the file name, which causes the malicious file to appear as a trusted file type, aka "File Download Extension Spoofing."
Published May 19, 2005
2.6
LOWCVSS 2.0
EPSS 2.56%
Description
Opera Web Browser 7.0 through 7.23 allows remote attackers to trick users into executing a malicious file by embedding a CLSID in the file name, which causes the malicious file to appear as a trusted file type, aka "File Download Extension Spoofing."
Affected products
No data.
- ≥ 7.0 · ≤ 7.23
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:H/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.56% (0.02555) | 84.50th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.56% (0.02555) | 82.97th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.14% (0.01142) | 76.96th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.95% (0.00950) | 83.85th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.95% (0.00950) | 82.96th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.82% (0.00819) | 81.28th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.82% (0.00819) | 79.22th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
No CWE recorded.
References (6)
- http://secunia.com/Internet_Explorer_File_Download_Extension_Spoofing_Test/ x_refsource_MISCBroken LinkVendor Advisory
- http://secunia.com/advisories/10760 third-party-advisoryx_refsource_SECUNIABroken LinkVendor Advisory
- http://www.opera.com/docs/changelogs/windows/750b1/ x_refsource_CONFIRMBroken Link
- http://www.osvdb.org/3917 vdb-entryx_refsource_OSVDBBroken Link
- http://www.securityfocus.com/bid/9640 vdb-entryx_refsource_BIDBroken LinkExploitThird Party AdvisoryVDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/21698 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/Internet_Explorer_File_Download_Extension_Spoofing_Test/ | x_refsource_MISCBroken LinkVendor Advisory | |
| http://secunia.com/advisories/10760 | third-party-advisoryx_refsource_SECUNIABroken LinkVendor Advisory | |
| http://www.opera.com/docs/changelogs/windows/750b1/ | x_refsource_CONFIRMBroken Link | |
| http://www.osvdb.org/3917 | vdb-entryx_refsource_OSVDBBroken Link | |
| http://www.securityfocus.com/bid/9640 | vdb-entryx_refsource_BIDBroken LinkExploitThird Party AdvisoryVDB Entry | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/21698 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.