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CVE-2017-7840

Date: June 11, 2018

JavaScript can be injected into an exported bookmarks file by placing JavaScript code into user-supplied tags in saved bookmarks. If the resulting exported HTML file is later opened in a browser this JavaScript will be executed. This could be used in social engineering and self-cross-site-scripting (self-XSS) attacks if users were convinced to add malicious tags to bookmarks, export them, and then open the resulting file. This vulnerability affects Firefox < 57.

Language: Unix

Severity Score

Related Resources (7)

https://www.mozilla.org/security/advisories/mfsa2017-24/
http://www.securitytracker.com/id/1039803
http://www.securityfocus.com/bid/101832
https://bugzilla.mozilla.org/show_bug.cgi?id=1366420
https://nvd.nist.gov/vuln/detail/CVE-2017-7840
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-7840
https://www.mend.io/vulnerability-database/CVE-2017-7840

Severity Score

Weakness Type (CWE)

Cross-Site Scripting (XSS)

CWE-79

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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