Vulnerability Report

CVE-2012-3557

Title: Opera Opera Browser Information Disclosure

Other

Proof Of Concept

No public PoC currently indexed for CVE-2012-3557.

CWE Category CWE-264

Published Date Jun 14, 2012

Modified Date Apr 29, 2026

Exploit Status Not Found

Score 5.0 CVSS v2.0

Exploit Probability (EPSS)

0.38%

Vulnerability Summary

CVE-2012-3557: Opera before 11.65 does not properly restrict the reading of JSON strings, which allows remote attackers to perform cross-domain loading of JSON resources and consequently obtain sensitive information via a crafted web site.

Impacted Vendors

opera 1

Reference Links

http://www.opera.com/docs/changelogs/mac/1165/ http://www.opera.com/docs/changelogs/mac/1200/ http://www.opera.com/docs/changelogs/unix/1200/ http://www.opera.com/docs/changelogs/windows/1200/ http://www.opera.com/support/kb/view/1019/ http://www.opera.com/docs/changelogs/mac/1165/ http://www.opera.com/docs/changelogs/mac/1200/ http://www.opera.com/docs/changelogs/unix/1200/ http://www.opera.com/docs/changelogs/windows/1200/ http://www.opera.com/support/kb/view/1019/

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:P/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2012-3557 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

June 14, 2012 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected Stack

No specific products linked.