How severe is CVE-2011-2486?

CVE-2011-2486 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2011-2486 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2486?

CVE-2011-2486 affects Nspluginwrapper. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-2486?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-2486 published?

CVE-2011-2486 was published on 2012-11-19 and last updated on 2026-06-16.

CVE-2011-2486

CVE-2011-2486 is a medium-severity vulnerability in Nspluginwrapper with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Nspluginwrapper
Published: 2012-11-19
Last modified: 2026-06-16

Description

nspluginwrapper before 1.4.4 does not properly provide access to NPNVprivateModeBool variable settings, which could prevent Firefox plugins from determining if they should run in Private Browsing mode and allow remote attackers to bypass intended access restrictions, as demonstrated using Flash.

Frequently asked questions

What is CVE-2011-2486?: nspluginwrapper before 1.4.4 does not properly provide access to NPNVprivateModeBool variable settings, which could prevent Firefox plugins from determining if they should run in Private Browsing mode and allow remote attackers to bypass intended access restrictions, as demonstrated using Flash.
How severe is CVE-2011-2486?: CVE-2011-2486 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2011-2486 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2486?: CVE-2011-2486 affects Nspluginwrapper. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-2486?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-2486 published?: CVE-2011-2486 was published on 2012-11-19 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:nspluginwrapper:nspluginwrapper:1.4.2:*:*:*:*:*:*:*

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