CVE-2013-1697

CVE-2013-1697 is a critical-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 9.3. 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

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.

Frequently asked questions

What is CVE-2013-1697?
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.
How severe is CVE-2013-1697?
CVE-2013-1697 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2013-1697 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-1697?
CVE-2013-1697 primarily affects Mozilla Firefox. In total, 27 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-1697?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2013-1697 published?
CVE-2013-1697 was published on 2013-06-26 and last updated on 2026-06-16.

References

Affected products (27)

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