medium
5.4
CWE
79
Advisory Published
CVE Published
Updated

CVE-2017-7823: XSS

First published: Thu Sep 28 2017(Updated: )

Last updated 24 July 2024

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

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox ESR<52.4
52.4
Mozilla Thunderbird<52.4
52.4
Mozilla Firefox<56
56
Redhat Enterprise Linux Desktop=6.0
Redhat Enterprise Linux Desktop=7.0
Redhat Enterprise Linux Server=6.0
Redhat Enterprise Linux Server=7.0
Redhat Enterprise Linux Server Aus=7.4
Redhat Enterprise Linux Server Eus=7.4
Redhat Enterprise Linux Server Eus=7.5
Redhat Enterprise Linux Workstation=6.0
Redhat Enterprise Linux Workstation=7.0
Debian Debian Linux=7.0
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Mozilla Firefox<56.0
Mozilla Firefox ESR<52.4.0
Mozilla Thunderbird<52.4.0
debian/firefox
131.0.2-2
debian/firefox-esr
115.14.0esr-1~deb11u1
128.3.1esr-1~deb11u1
115.14.0esr-1~deb12u1
128.3.1esr-1~deb12u1
128.3.0esr-2
128.3.1esr-2
debian/thunderbird
1:115.12.0-1~deb11u1
1:115.16.0esr-1~deb11u1
1:115.12.0-1~deb12u1
1:115.16.0esr-1~deb12u1
1:128.2.0esr-1
1:128.3.0esr-1

Remedy

https://bugzilla.mozilla.org/show_bug.cgi?id=1396320

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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-2017-7823?

    CVE-2017-7823 is a vulnerability in Mozilla Firefox and Thunderbird that allows for Cross-Site Scripting (XSS) attacks.

  • How does CVE-2017-7823 affect Mozilla Firefox and Thunderbird?

    CVE-2017-7823 affects Mozilla Firefox versions up to and excluding 56.0, as well as Mozilla Thunderbird versions up to and excluding 52.4.0.

  • What is the severity of CVE-2017-7823?

    CVE-2017-7823 has a severity rating of medium, with a CVSS score of 5.4.

  • How can I fix CVE-2017-7823?

    To fix CVE-2017-7823, update your Mozilla Firefox to version 56.0 or later, and update your Mozilla Thunderbird to version 52.4.1 or later.

  • Where can I find more information about CVE-2017-7823?

    You can find more information about CVE-2017-7823 on the Mozilla Bugzilla website, the Mozilla security advisories page, and the SecurityFocus website.

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