medium
6.1
CWE
79
Advisory Published
Advisory Published
Updated

CVE-2023-3978: Improper rendering of text nodes in golang.org/x/net/html

First published: Wed Aug 02 2023(Updated: )

Golang html package is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability using a specially crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.

Credit: security@golang.org security@golang.org security@golang.org

Affected SoftwareAffected VersionHow to fix
go/golang.org/x/net<0.13.0
0.13.0
Golang Networking Go<0.13.0
redhat/golang.org/x/net/html<0.13.0
0.13.0
IBM Concert Software<=1.0.0 - 1.0.1

Remedy

https://go.dev/cl/514896

Remedy

https://go.dev/issue/61615

Remedy

https://pkg.go.dev/vuln/GO-2023-1988

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2023-3978?

    CVE-2023-3978 is a vulnerability that allows text nodes not in the HTML namespace to be incorrectly literally rendered, potentially leading to an XSS attack.

  • What is the severity of CVE-2023-3978?

    The severity of CVE-2023-3978 is medium with a CVSS score of 6.1.

  • Which software is affected by CVE-2023-3978?

    The Golang Networking software up to version 0.13.0 is affected by CVE-2023-3978.

  • How can CVE-2023-3978 be exploited?

    CVE-2023-3978 can be exploited by injecting malicious code into text nodes not in the HTML namespace.

  • How can I fix CVE-2023-3978?

    To fix CVE-2023-3978, update your Golang Networking software to a version higher than 0.13.0.

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