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CVE-2013-6853

4.3 · MEDIUM

Cross-site scripting (XSS) vulnerability in clickstream.js in Y!

Published Jan 26, 2014yahooCWE-79EPSS 1.93%

Overview

CVE-2013-6853 is a medium-severity vulnerability affecting yahoo toolbar. It was published on January 26, 2014 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Cross-site scripting (XSS) vulnerability in clickstream.js in Y! Toolbar plugin for FireFox 3.1.0.20130813024103 for Mac, and 2.5.9.2013418100420 for Windows, allows remote attackers to inject arbitrary web script or HTML via a crafted URL that is stored by the victim.

Remediation

Check the references section for vendor advisories and patches from yahoo. Update toolbar to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refosvdb.org/102175Refpacketstormsecurity.com/files/124800/Y-Toolbar-Cross-Site-Scripting.htmlRefwww.cloudscan.me/2014/01/cve-2013-6853-stored-xss-in-y-toolbar.htmlRefwww.securityfocus.com/bid/64971Refexchange.xforce.ibmcloud.com/vulnerabilities/90529Refosvdb.org/102175Refpacketstormsecurity.com/files/124800/Y-Toolbar-Cross-Site-Scripting.htmlRefwww.cloudscan.me/2014/01/cve-2013-6853-stored-xss-in-y-toolbar.htmlRefwww.securityfocus.com/bid/64971Refexchange.xforce.ibmcloud.com/vulnerabilities/90529

How CyberStrike helps

Frequently asked questions

What is CVE-2013-6853?

CVE-2013-6853 is a medium-severity vulnerability affecting yahoo toolbar. It was published on January 26, 2014 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2013-6853?

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2013-6853?

Check the references section for vendor advisories and patches from yahoo. Update toolbar to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2013-6853?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-6853 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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