medium
6.1
CWE
79
Advisory Published
Updated

CVE-2019-11701: XSS

First published: Tue May 21 2019(Updated: )

The default webcal: protocol handler will load a web site vulnerable to cross-site scripting (XSS) attacks. This default was left in place as a legacy feature and has now been removed. *Note: this issue only affects users with an account on the vulnerable service. Other users are unaffected.*. This vulnerability affects Firefox < 67.

Credit: security@mozilla.org security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox<67
67
Mozilla Firefox<67.0
ubuntu/firefox<67.0+
67.0+
ubuntu/firefox<67.0+
67.0+
ubuntu/firefox<67.0+
67.0+
ubuntu/firefox<67.0+
67.0+
ubuntu/firefox<67.0+
67.0+
ubuntu/firefox<67.0+
67.0+
ubuntu/firefox<67.0+
67.0+
ubuntu/firefox<67.0+
67.0+
ubuntu/firefox<67.0+
67.0+
ubuntu/firefox<67.0+
67.0+
ubuntu/firefox<67.0+
67.0+
ubuntu/firefox<67.0+
67.0+
ubuntu/firefox<67.0+
67.0+
ubuntu/firefox<67.0
67.0
ubuntu/firefox<67.0+
67.0+
debian/firefox
125.0.3-1

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2019-11701?

    CVE-2019-11701 is a vulnerability in the default webcal: protocol handler in Mozilla Firefox that can be exploited for cross-site scripting (XSS) attacks.

  • Who is affected by CVE-2019-11701?

    Only users with an account on the vulnerable service are affected by CVE-2019-11701. Other users are unaffected.

  • What is the severity of CVE-2019-11701?

    CVE-2019-11701 has a severity rating of 6.1, which is considered medium.

  • How can I fix CVE-2019-11701 in Mozilla Firefox?

    To fix CVE-2019-11701, update your Mozilla Firefox browser to version 67 or higher.

  • Where can I find more information about CVE-2019-11701?

    You can find more information about CVE-2019-11701 on the Mozilla security advisory page: [link](https://www.mozilla.org/en-US/security/advisories/mfsa2019-13/).

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