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Mozilla Foundation Security Advisory 2008-62

Additional XSS attack vectors in feed preview

Announced
December 16, 2008
Reporter
moz_bug_r_a4
Impact
Critical
Products
Firefox
Fixed in
  • Firefox 2.0.0.19

Description

Mozilla security researcher moz_bug_r_a4 reported an additional variation on the feed preview vulnerabilities fixed in Firefox 2.0.0.17. moz_bug_r_a4 demonstrated that it was still possible to use the feed preview as a vector for JavaScript privilege escalation. An attacker could use this issue to run arbitrary JavaScript with chrome privileges.

Firefox 3 is not affected by this issue.

Workaround

Disable JavaScript until a version containing these fixes can be installed.

References