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moraesleiloes.com.br Cross Site Scripting vulnerability | OBB-1534512


Security Researcher xav0 Helped patch 4844 vulnerabilities
Received 4 Coordinated Disclosure badges
, a holder of 4 badges for responsible and coordinated disclosure, found a security vulnerability affecting moraesleiloes.com.br website and its users.

Following 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.

Technical details of the vulnerability are currently hidden ("On Hold") to give website operator/owner sufficient time to patch the vulnerability without putting any of its systems or users at risk. Once patched, vulnerability details can be publicly disclosed by the researcher in at least 30 days since the submission. If for a reason the vulnerability remains unpatched, its details can be disclosed only 90 days.

Affected Website:moraesleiloes.com.br  
Open Bug Bounty Program:Create your bounty program now. It's open and free.
Vulnerable Application:[hidden until disclosure]
Vulnerability Type:XSS (Cross Site Scripting) / CWE-79
CVSSv3 Score:[hidden until disclosure]
Disclosure Standard:Coordinated Disclosure based on ISO 29147 guidelines
Discovered and Reported by:xav0 Helped patch 4844 vulnerabilities
Received 4 Coordinated Disclosure badges
Remediation Guide:OWASP XSS Prevention Cheat Sheet

Coordinated Disclosure Timeline

Vulnerability Reported:21 November, 2020 21:05 GMT
Vulnerability Verified:21 November, 2020 21:16 GMT
Website Operator Notified:21 November, 2020 21:16 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]:
21 November, 2020 21:16 GMT
Scheduled 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 February, 2021 21:05 GMT

For Website Operators and Owners

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For remediation best practices, please also refer to OWASP remediation guidelines. More information about coordinate and responsible disclosure on Open Bug Bounty is available here.

DISCLAIMER: As a non-profit project, Open Bug Bounty never acts as an intermediary between website owners and security researchers. Our role is strictly limited to independent verification of the reports and proper notification of website owners by all available means.

moraesleiloes.com.br

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  Recent Recommendations

@studentdoctor     26 November, 2020
    Twitter studentdoctor:
Identified two CVEs that we responded to immediately. Excellent and friendly communication. Highest recommendation!

Thank you!
@slinky2000     26 November, 2020
    Twitter slinky2000:
v0lk3n helped us diagnose and fix form XSS vulnerabilities on our site that were very old.

Very friendly and approachable.

Thanks for your help!
@alliancebezpeka     26 November, 2020
    Twitter alliancebezpeka:
Alliance safety LLC has received your vulnerability reports on 15 November 2020. We have verified the reports, found them to be valid, informed our constituent and we will follow up until this case is
resolved and problem fixed.

Alliance safety LLC would like to thank you for the valuable information you have provided us which have helped us to secure our site.
@pcmonitors     26 November, 2020
    Twitter pcmonitors:
Identified a security issue I was completely unaware of and gave a very clear description of it. Allowing me to correct the problem immediately. Thank you Cyber_India!
@SNTech2     26 November, 2020
    Twitter SNTech2:
A big thank you for reporting the bug and providing all the information required to quickly fix the bug. Much appreciated and keep up the good work!