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uni-muenster.de Cross Site Scripting vulnerability


Open Bug Bounty ID: OBB-278336

Security Researcher amlnspqr Helped patch 1852 vulnerabilities
Received 7 Coordinated Disclosure badges
Received 37 recommendations
, a holder of 7 badges for responsible and coordinated disclosure, found a security vulnerability affecting uni-muenster.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.

Affected Website:uni-muenster.de  
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]
Discovered and Reported by:amlnspqr Helped patch 1852 vulnerabilities
Received 7 Coordinated Disclosure badges
Received 37 recommendations
Remediation Guide:OWASP XSS Prevention Cheat Sheet

Vulnerable URL:

Screenshot: uni-muenster.de  vulnerability

Mirror: Click here to view the mirror

Coordinated Disclosure Timeline

Vulnerability Reported:11 August, 2017 11:47 GMT
Vulnerability Verified:11 August, 2017 11:49 GMT
Website Operator Notified:11 August, 2017 11:49 GMT
a. Using publicly available security contacts
b. Using Open Bug Bounty notification framework
c. Using security contacts provided by the researcher
Public Report Published
[without any technical details]:
11 August, 2017 11:49 GMT
Vulnerability Fixed:15 August, 2017 09:50 GMT
Public Disclosure:  A 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.10 September, 2017 11:47 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.

uni-muenster.de

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  Recent Recommendations

    13 August, 2020
     TristanGuiheux:
4N_CURZE has helped us to find and fix some issues on web sites we're protecting. This kind of help is greatly appreciated from a security perspective. This way we can improve ourselves and protect our customers.

More specifically, the completeness of the report and the details to correct the vulnerability were very appreciated. It was precise and clear. With such good writing skills proven by 4N_CURZE, it's easy to send it to developpers in a way they can understand both problematic and solution.

Thanks again in my name.
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Caught me having forgotten to entity-encode values when re-displaying an incomplete form submission. While the initial report was all I needed to patch, Rajash considerately provided additional detail without being asked through the openbugbounty comments.
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