CVE-2017-7839

Control characters prepended before "javascript:" URLs pasted in the addressbar can cause the leading characters to be ignored and the pasted JavaScript to be executed instead of being blocked. This could be used in social engineering and self-cross-site-scripting (self-XSS) attacks where users are convinced to copy and paste text into the addressbar. This vulnerability affects Firefox < 57.

CVSS v3 6.1 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector : AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
http://www.securityfocus.com/bid/101832	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039803	Third Party Advisory VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1402896	Issue Tracking Permissions Required
https://www.mozilla.org/security/advisories/mfsa2017-24/	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2018-06-11 21:29

Updated : 2024-02-04 19:46

NVD link : CVE-2017-7839

Mitre link : CVE-2017-7839

CVE.ORG link : CVE-2017-7839

JSON object : View

Products Affected

mozilla

firefox

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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