Vulnerability Monitor

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CVE-2013-6853

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.

Security Impact Summary

CVE-2013-6853 is a security vulnerability that . Impacting 3 products from yahoo, from mozilla, from apple organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2014, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2014-01-26T01:55:09.267

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-79

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	yahoo	toolbar	3.1.0.20130813024103	Yes
Application	mozilla	firefox	*	No
Operating System	apple	macos	*	No
Application	yahoo	toolbar	2.5.9.2013418100420	Yes
Application	mozilla	firefox	*	No
Operating System	apple	macos	*	No

References

http://osvdb.org/102175 ([email protected])
http://packetstormsecurity.com/files/124800/Y-Toolbar-Cross-Site-Scripting.html ([email protected])
http://www.cloudscan.me/2014/01/cve-2013-6853-stored-xss-in-y-toolbar.html ([email protected])
http://www.securityfocus.com/bid/64971 ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/90529 ([email protected])
http://osvdb.org/102175 (af854a3a-2127-422b-91ae-364da2661108)
http://packetstormsecurity.com/files/124800/Y-Toolbar-Cross-Site-Scripting.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.cloudscan.me/2014/01/cve-2013-6853-stored-xss-in-y-toolbar.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/64971 (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/90529 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For yahoo's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.