CWE
79
Advisory Published
CVE Published
Advisory Published
Updated

CVE-2018-20677: XSS

First published: Fri Aug 10 2018(Updated: )

Bootstrap is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the affix configuration target property. A remote attacker could exploit this vulnerability to execute script in a victim''s Web browser within the security context of the hosting Web site. An attacker could use this vulnerability to steal the victim''s cookie-based authentication credentials.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/ipa<0:4.6.8-5.el7
0:4.6.8-5.el7
redhat/ovirt-engine-api-explorer<0:0.0.4-1.el7e
0:0.0.4-1.el7e
redhat/ovirt-engine-api-explorer<0:0.0.5-1.el7e
0:0.0.5-1.el7e
redhat/ovirt-engine-ui-extensions<0:1.0.10-1.el7e
0:1.0.10-1.el7e
Getbootstrap Bootstrap<3.4.0
redhat/bootstrap<3.4.0
3.4.0
nuget/bootstrap<3.4.0
3.4.0
rubygems/bootstrap-sass<3.4.0
3.4.0
rubygems/bootstrap<3.4.0
3.4.0
maven/org.webjars:bootstrap<3.4.0
3.4.0
composer/twbs/bootstrap<3.4.0
3.4.0
npm/bootstrap-sass<3.4.0
3.4.0
npm/bootstrap<3.4.0
3.4.0

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Reference Links

Frequently Asked Questions

  • What is CVE-2018-20677?

    CVE-2018-20677 is a vulnerability in Bootstrap before 3.4.0 that allows for cross-site scripting (XSS) attacks.

  • What is the severity of CVE-2018-20677?

    The severity of CVE-2018-20677 is medium with a CVSS score of 6.1.

  • How can an attacker exploit CVE-2018-20677?

    An attacker can exploit CVE-2018-20677 by injecting malicious scripts into a victim's web browser through the affix configuration target property.

  • Is there a fix for CVE-2018-20677?

    Yes, updating Bootstrap to version 3.4.0 or above will fix the vulnerability.

  • Where can I find more information about CVE-2018-20677?

    You can find more information about CVE-2018-20677 at the following links: [CVE-2018-20677](https://www.cve.org/CVERecord?id=CVE-2018-20677), [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-20677), [Red Hat Bugzilla](https://bugzilla.redhat.com/show_bug.cgi?id=1668089), [Red Hat Advisory](https://access.redhat.com/errata/RHSA-2020:0133).

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