A vulnerability, which was classified as problematic, has been found in MFScripts YetiShare up to 4.5.3. This issue affects an unknown function of the file log_file_viewer.php. The manipulation of the argument lFile as part of a Parameter leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. The summary by CVE is:

log_file_viewer.php in MFScripts YetiShare 3.5.2 through 4.5.3 does not sanitize or encode the output from the lFile parameter on the page, which would allow an attacker to input HTML or execute scripts on the site, aka XSS.

The weakness was disclosed 12/30/2019. The identification of this vulnerability is CVE-2019-19738 since 12/11/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

By approaching the search of inurl:log_file_viewer.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.

The entries VDB-147920, VDB-147919, VDB-147918 and VDB-147916 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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Vendor

• MFScripts

Name

• YetiShare

Version

• 4.5.0
• 4.5.1
• 4.5.2
• 4.5.3

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CPE 2.2info

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