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openbugbountyXav0OBB:1228948
HistoryJul 17, 2020 - 1:59 p.m.

nbparts.hu Cross Site Scripting vulnerability OBB-1228948

2020-07-1713:59:00
xav0
www.openbugbounty.org
39

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: nbparts.hu
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: xav0
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:

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HTTP POST data:

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

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Coordinated Disclosure Timeline

Vulnerability Reported: 17 July, 2020 13:59 GMT
Vulnerability Verified: 17 July, 2020 14:14 GMT
Website Operator Notified: 17 July, 2020 14:14 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 July, 2020 14:14 GMT
Vulnerability Fixed: 14 August, 2020 16:36 GMT