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CVE-2011-3388

Opera before 11.51 allows remote attackers to cause an insecure site to appear secure or trusted...

4.3 Medium

CVE-2011-3388 is a medium vulnerability (CVSS 4.3) in Opera Browser, published September 6, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.27%, the 83rd percentile. No source names a fixed version.

Severity
4.3 MediumCVSS 2.0, NVD
Exploit chance
2.27%EPSS, 83rd percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

Opera before 11.51 allows remote attackers to cause an insecure site to appear secure or trusted via unspecified actions related to Extended Validation and loading content from trusted sources in an unspecified sequence that causes the address field and page information dialog to contain security information based on the trusted site, instead of the insecure site.

Exploit likelihood

2.27%Up 0.5 points since Feb 4, 2022
90%50%10%1%

Affected products

What each source reports

NVD Score used4.3

Opera before 11.51 allows remote attackers to cause an insecure site to appear secure or trusted via unspecified actions related to Extended Validation and loading content from trusted sources in an unspecified sequence that causes the address field and page information dialog to contain security information based on the trusted site, instead of the insecure site.

Record
CVE-2011-3388
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-200
Updated
2026-11-02
CVE ListNo score

Opera before 11.51 allows remote attackers to cause an insecure site to appear secure or trusted via unspecified actions related to Extended Validation and loading content from trusted sources in an unspecified sequence that causes the address field and page information dialog to contain security information based on the trusted site, instead of the insecure site.

Record
CVE-2011-3388
Updated
2026-11-02
EUVDEUVD-2011-3351No score

Opera before 11.51 allows remote attackers to cause an insecure site to appear secure or trusted via unspecified actions related to Extended Validation and loading content from trusted sources in an unspecified sequence that causes the address field and page information dialog to contain security information based on the trusted site, instead of the insecure site.

Record
EUVD-2011-3351
Updated
2026-11-03
GitHub AdvisoriesGHSA-r957-hf3q-v382No score

Opera before 11.51 allows remote attackers to cause an insecure site to appear secure or trusted...

Opera before 11.51 allows remote attackers to cause an insecure site to appear secure or trusted via unspecified actions related to Extended Validation and loading content from trusted sources in an unspecified sequence that causes the address field and page information dialog to contain security information based on the trusted site, instead of the insecure site.

Record
GHSA-r957-hf3q-v382
Weakness
CWE-200
Updated
2026-11-02

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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