Cross-site scripting in ActionView framework for Ruby on Rails



Published: 2020-03-20
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-5267
CWE-ID CWE-79
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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ActionView
Server applications / Frameworks for developing and running applications

Vendor Rails

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Cross-site scripting

EUVDB-ID: #VU26248

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2020-5267

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

Exploit availability: Yes

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the "j" and "escape_javascript" methods . A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ActionView: 5.0.0 - 6.0.2.1


CPE2.3 External links

http://www.openwall.com/lists/oss-security/2020/03/19/1
http://github.com/rails/rails/commit/033a738817abd6e446e1b320cb7d1a5c15224e9a
http://github.com/rails/rails/security/advisories/GHSA-65cv-r6x7-79hv
http://lists.debian.org/debian-lts-announce/2020/03/msg00022.html

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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