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CVE-2020-8264

UNKNOWN
Published 2021-01-06T21:02:35
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No CVSS data available

Description

In actionpack gem >= 6.0.0, a possible XSS vulnerability exists when an application is running in development mode allowing an attacker to send or embed (in another page) a specially crafted URL which can allow the attacker to execute JavaScript in the context of the local application. This vulnerability is in the Actionable Exceptions middleware.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

Cross-site scripting in actionpack

GHSA-35mm-cc6r-8fjp

Advisory Details

In actionpack gem >= 6.0.0, a possible XSS vulnerability exists when an application is running in development mode allowing an attacker to send or embed (in another page) a specially crafted URL which can allow the attacker to execute JavaScript in the context of the local application. This vulnerability is in the Actionable Exceptions middleware. Workarounds ----------- Until such time as the patch can be applied, application developers should disable the Actionable Exceptions middleware in their development environment via a line such as this one in their config/environment/development.rb: `config.middleware.delete ActionDispatch::ActionableExceptions`

Affected Packages

RubyGems actionpack
ECOSYSTEM: ≥6.0.0 <6.0.3.4

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-8264
WEB https://hackerone.com/reports/904059
WEB https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2020-8264.yml
WEB https://groups.google.com/g/rubyonrails-security/c/yQzUVfv42jk
WEB https://groups.google.com/g/rubyonrails-security/c/yQzUVfv42jk/m/oJWw-xhNAQAJ

Advisory provided by GitHub Security Advisory Database. Published: April 7, 2021, Modified: August 8, 2023

References

https://hackerone.com/reports/904059
https://groups.google.com/g/rubyonrails-security/c/yQzUVfv42jk/m/oJWw-xhNAQAJ
Published: 2021-01-06T21:02:35
Last Modified: 2024-08-04T09:56:28.149Z
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