CVE-2021-30140

Public Exploit

Description

LiquidFiles 3.4.15 has stored XSS through the "send email" functionality when sending a file via email to an administrator. When a file has no extension and contains malicious HTML / JavaScript content (such as SVG with HTML content), the payload is executed upon a click. This is fixed in 3.5.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.36% Top 25%
Vendor Advisory liquidfiles.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.tempest.com.br not applicable
https://liquidfiles.com/support.html vendor advisory
https://gist.github.com/rodnt/9f7d368fac38cafa7334598ec94fb167 third party advisory exploit
http://seclists.org/fulldisclosure/2022/May/41 mailing list third party advisory exploit
http://packetstormsecurity.com/files/167228/LiquidFiles-3.4.15-Cross-Site-Scripting.html third party advisory vdb entry exploit

Frequently Asked Questions

What is the severity of CVE-2021-30140?
CVE-2021-30140 has been scored as a medium severity vulnerability.
How to fix CVE-2021-30140?
To fix CVE-2021-30140, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-30140 being actively exploited in the wild?
It is possible that CVE-2021-30140 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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