CVE-2017-7839 (GCVE-0-2017-7839)

Vulnerability from cvelistv5 – Published: 2018-06-11 21:00 – Updated: 2024-08-05 16:19
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
  • Control characters before javascript: URLs defeats self-XSS prevention mechanism
Assigner
References
Impacted products
Vendor Product Version
Mozilla Firefox Affected: unspecified , < 57 (custom)
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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