CVE-2017-7820
N/A
Published: June 11, 2018 at 09:00 PM UTC
Updated: June 17, 2026 at 01:25 AM UTC
1 product affected across 1 vendorFirefox
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Severity
N/A
Exploit prediction
EPSS 1%
Description
The "instanceof" operator can bypass the Xray wrapper mechanism. When called on web content from the browser itself or an extension the web content can provide its own result for that operator, possibly tricking the browser or extension into mishandling the element. This vulnerability affects Firefox < 56.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (4)
VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/101057VDB Entryx_refsource_SECTRACKThird Party Advisory
Source: [email protected]
http://www.securitytracker.com/id/1039465x_refsource_CONFIRMExploitIssue Tracking
Source: [email protected]
https://bugzilla.mozilla.org/show_bug.cgi?id=1378207x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2017-21/Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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