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CVE-2020-15169: Cross-site Scripting

September 11, 2020 (updated December 8, 2020)

In Action View there is a potential Cross-Site Scripting (XSS) vulnerability in Action View’s translation helpers. Views that allow the user to control the default (not found) value of the t and translate helpers could be susceptible to XSS attacks. When an HTML-unsafe string is passed as the default for a missing translation key named html or ending in _html, the default string is incorrectly marked as HTML-safe and not escaped.

References

  • nvd.nist.gov/vuln/detail/CVE-2020-15169

Code Behaviors & Features

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Affected versions

All versions before 5.2.4.4, all versions starting from 6.0.0.0 before 6.0.3.3

Fixed versions

  • 5.2.4.4
  • 6.0.3.3

Solution

Upgrade to versions 5.2.4.4, 6.0.3.3 or above.

Impact 6.1 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Learn more about CVSS

Weakness

  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Source file

gem/actionview/CVE-2020-15169.yml

Spotted a mistake? Edit the file on GitLab.

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