CVE-2023-6209

Relative URLs starting with three slashes were incorrectly parsed, and a path-traversal "/../" part in the path could be used to override the specified host

published November 21, 2023

CVSS
—
EPSS
1%
Percentile
72.6
In the wild
Unconfirmed
What it is

Relative URLs starting with three slashes were incorrectly parsed, and a path-traversal "/../" part in the path could be used to override the specified host. This could contribute to security problems in web sites. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01418 · 72.6th percentile
Published
2023-11-21T14:28Z
EPSS history
Timeline
  • 21 NOV 14:28Z
    Relative URLs starting with three slashes were incorrectly parsed, and a path-traversal "/../" part in the path could be used to override the specified host
    cvelistv5