Is CVE-2012-0958 being actively exploited?

CVE-2012-0958 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-0958?

CVE-2012-0958 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2012-0958

MEDIUM · CVSS 4.3EPSS 1.6%EU EUVD

content/unity-api.js in the unity-firefox-extension extension 2.4.1 for Firefox exposes the toDataURL function in an API call, which allows remote attackers to bypass the Same Origin Policy and obtain sensitive information via a crafted webpage.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
EPSS score: 1.6% (76th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-0981)
Published: December 26, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-0981 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

ps project management team / unity-firefox-extension

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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