A vulnerability, which was classified as problematic, was found in I and Librarian 4.10. Affected is an unknown code block of the file export.php. The manipulation of the argument export_files as part of a Parameter leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

I, Librarian 4.10 has XSS via the export.php export_files parameter.

The bug was discovered 04/18/2019. The weakness was published 04/22/2019. This vulnerability is traded as CVE-2019-11428 since 04/21/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:export.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at VDB-112939, VDB-118353, VDB-127363 and VDB-141453.

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• I
• Librarian

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• 4.10

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