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isg-leipzig.de Cross Site Scripting vulnerability | OBB-1338229


Security Researcher xav0 Helped patch 2091 vulnerabilities
Received 4 Coordinated Disclosure badges
, a holder of 4 badges for responsible and coordinated disclosure, found a security vulnerability affecting isg-leipzig.de 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:isg-leipzig.de  
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 2091 vulnerabilities
Received 4 Coordinated Disclosure badges
Remediation Guide:OWASP XSS Prevention Cheat Sheet

Coordinated Disclosure Timeline

Vulnerability Reported:15 September, 2020 08:37 GMT
Vulnerability Verified:15 September, 2020 08:53 GMT
Website Operator Notified:15 September, 2020 08:53 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]:
15 September, 2020 08:53 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.14 December, 2020 08:37 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.

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isg-leipzig.de

Website Overview

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  Recent Recommendations

@cg_director     21 September, 2020
    Twitter cg_director:
HowardPotts found a vulnerability issues on our Website that was important to fix. We wouldn't have found it without his help. Thankfully it was an easy fix
@Yashodar4     20 September, 2020
    Twitter Yashodar4:
Thank you for letting us know about the issue and helping to make the web a safer place
@rus_cert     18 September, 2020
    Twitter rus_cert:
Thank you so much for you quick, detailed and very helpful report!
@lorenzoherrera     17 September, 2020
    Twitter lorenzoherrera:
He reported us about a vulnerability we didn't know about, his thorough report was full of details and also solutions. Thank you!
@Aguiar503     17 September, 2020
    Twitter Aguiar503:
Recommended by MTZ Brazil. Thank you very much for reporting the XSS flaws in our system. He showed great mastery in the security of information technology.