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HIGH

Mozilla: XrayWrappers can be bypassed to run user defined methods in a privileged context (MFSA 2013-59)

Published Jun 26, 2013

Description

The XrayWrapper implementation in Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x before 17.0.7 does not properly restrict use of DefaultValue for method calls, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges via a crafted web site that triggers use of a user-defined (1) toString or (2) valueOf method.

Affected products

Remediation

No remediation recorded yet.

Metrics

Weaknesses (1)

References (20)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mozilla
Published Jun 26, 2013
Updated Aug 6, 2024
Reserved Feb 13, 2013
NVD
Status Modified
Modified Jun 16, 2026
Red Hat
Severity Moderate
Public date Jun 25, 2013