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elog-ch.net Cross Site Scripting vulnerability

Description

Security Researcher **login_denied Helped patch 7927 vulnerabilities Received 8 Coordinated Disclosure badges Received 76 recommendations **, a holder of 8 badges for responsible and coordinated disclosure, found a security vulnerability affecting **[elog-ch.net](<http://www.elog-ch.net>)** website and its users. Following coordinated and responsible vulnerability disclosure guidelines of the **[ISO 29147](<https://www.iso.org/standard/45170.html>)** 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:| **[elog-ch.net](<http://www.elog-ch.net>) ** ---|--- Open Bug Bounty Program:| **Create your bounty program now**. It's open and free. Vulnerable Application:| Custom Code Vulnerability Type:| **[XSS (Cross Site Scripting)](<https://www.owasp.org/index.php/Cross-site_Scripting_\(XSS\)>)** / 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](<https://www.iso.org/standard/45170.html>)** guidelines Discovered and Reported by:| **login_denied Helped patch 7927 vulnerabilities Received 8 Coordinated Disclosure badges Received 76 recommendations ** Remediation Guide:| **[OWASP XSS Prevention Cheat Sheet](<https://github.com/OWASP/CheatSheetSeries/blob/master/cheatsheets/Cross_Site_Scripting_Prevention_Cheat_Sheet.md>)** 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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) --- **Screenshot:** ![elog-ch.net vulnerability](/twimages/screen-985064.jpg) **Mirror:** [Click here to view the mirror](<http://985064.openbounty.org/mirror/>) ### Coordinated Disclosure Timeline Vulnerability Reported:| 3 October, 2019 01:17 GMT ---|--- Vulnerability Verified:| 3 October, 2019 01:30 GMT Website Operator Notified:| 3 October, 2019 01:30 GMT a. Using the ISO 29147 guidelines| ![](/images/done.png) ---|--- b. Using publicly available security contacts| ![](/images/done.png) c. Using Open Bug Bounty notification framework| ![](/images/done.png) d. Using security contacts provided by the researcher| ![](/images/done.png) Public Report Published [without any technical details]:| 3 October, 2019 01:30 GMT Public Disclosure: ![](/images/design/information-icon.png)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.| 1 January, 2020 01:17 GMT ---|---