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addthis.com Cross Site Scripting Vulnerability
Report ID: OBB-677962

Security Researcher myoko Helped patch 903 vulnerabilities
Received 8 Coordinated Disclosure badges
Received 12 recommendations
, a holder of 8 badges for responsible and coordinated disclosure, found Cross Site Scripting security vulnerability affecting addthis.com website and its users.

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has:

      a. verified the vulnerability and confirmed its existence;
      b. notified the website operator about its existence.

Affected Website:addthis.com  
Open Bug Bounty Program:Create your bounty program now. It's open and free.
Vulnerable Application:Custom Code
Vulnerability Type:XSS (Cross Site Scripting) / CWE-79
CVSSv3 Score:6.1 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N]
Disclosure Standard:Coordinated Disclosure based on ISO 29147 guidelines
Discovered and Reported by:myoko Helped patch 903 vulnerabilities
Received 8 Coordinated Disclosure badges
Received 12 recommendations
Remediation Guide:OWASP XSS Prevention Cheat Sheet
Export Vulnerability Data:Bugzilla Vulnerability Data
JIRA Vulnerability Data [ Configuration ]
Mantis Vulnerability Data
Splunk Vulnerability Data
XML Vulnerability Data [ XSD ]

Vulnerable URL:

Mirror: Click here to view the mirror

Coordinated Disclosure Timeline

Vulnerability Reported:19 September, 2018 07:30 GMT
Vulnerability Verified:19 September, 2018 07:41 GMT
Website Operator Notified:19 September, 2018 07:41 GMT
a. Using the ISO 29147 guidelines
b. Using publicly available security contacts
c. Using Open Bug Bounty notification framework
d. Using security contacts provided by the researcher
x. Using Twitter notification
Public Report Published [without technical details]:19 September, 2018 07:41 GMT
Vulnerability Fixed:17 October, 2018 16:24 GMT
Public Disclosure:  InformationA security researcher can delete the report before public disclosure, afterwards the report cannot be deleted or modified anymore. The researcher can also postpone public disclosure date as long as reasonably required to remediate the vulnerability.19 October, 2018 07:30 GMT

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addthis.com

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