CVE-2005-0527

CVE-2005-0527 is a medium-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 5.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Firefox 1.0 allows remote attackers to execute arbitrary code via plugins that load "privileged content" into frames, as demonstrated using certain XUL events when a user drags a scrollbar two times, aka "Firescrolling."

Frequently asked questions

What is CVE-2005-0527?
Firefox 1.0 allows remote attackers to execute arbitrary code via plugins that load "privileged content" into frames, as demonstrated using certain XUL events when a user drags a scrollbar two times, aka "Firescrolling."
How severe is CVE-2005-0527?
CVE-2005-0527 has a CVSS 2.0 base score of 5.1, rated medium severity.
Is CVE-2005-0527 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-0527?
CVE-2005-0527 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-0527?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-0527 published?
CVE-2005-0527 was published on 2005-05-02 and last updated on 2026-06-16.

References

Affected products (1)

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