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openbugbountyDevl00pOBB:1345161
HistorySep 17, 2020 - 5:47 p.m.

strength.or.kr Cross Site Scripting vulnerability OBB-1345161

2020-09-1717:47:00
devl00p
www.openbugbounty.org
29

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

&nbsp&nbsp&nbsp&nbsp&nbsp&nbspa. verified the vulnerability and confirmed its existence;
&nbsp&nbsp&nbsp&nbsp&nbsp&nbspb. notified the website operator about its existence.

Affected Website: strength.or.kr
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: devl00p
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:

![](data:image/png;base64, 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)

Research’s Comment:

![](data:image/png;base64, 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)

Screenshot: strength.or.kr  vulnerability

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Coordinated Disclosure Timeline

Vulnerability Reported: 17 September, 2020 17:47 GMT
Vulnerability Verified: 17 September, 2020 17:59 GMT
Website Operator Notified: 17 September, 2020 17:59 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
Public Report Published
[without any technical details]: 17 September, 2020 17:59 GMT
Vulnerability Fixed: 27 September, 2020 04:55 GMT