Kurz gesagt
- CVE-2021-23435 ist eine Schwachstelle (MITTEL (CVSS 6.1)) in clearance, clearance (thoughtbot).
- Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 0.70%, höher als bei 53.4% aller Schwachstellen.
- Abhilfe: auf 2.5.0 oder neuer aktualisieren.
| Package | Affected versions | Patched versions |
|---|
| clearance RubyGems | < 2.5.0
| 2.5.0
|
| clearance | < 2.5.0
| 2.5.0
|
Description
This affects the package clearance before 2.5.0. The vulnerability can be possible when users are able to set the value of session[:return_to]. If the value used for return_to contains multiple leading slashes (/////example.com) the user ends up being redirected to the external domain that comes after the slashes (http://example.com).
NVD description
This affects the package clearance before 2.5.0. The vulnerability can be possible when users are able to set the value of session[:return_to]. If the value used for return_to contains multiple leading slashes (/////example.com) the user ends up being redirected to the external domain that comes after the slashes (http://example.com).
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