CVE-2021-30140

Name: CVE-2021-30140
Creator: NVD / NIST
Published: 2021-04-06T16:15:16.627+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.36%

Last modified Jun 17, 2026

CVE-2021-30140 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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. EPSS estimates a 1.36% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.36%

68.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Liquidfiles	Liquidfiles	3.4.15

References

http://packetstormsecurity.com/files/167228/LiquidFiles-3.4.15-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2022/May/41Exploit, Mailing List, Third Party Advisory
https://gist.github.com/rodnt/9f7d368fac38cafa7334598ec94fb167Exploit, Third Party Advisory
https://liquidfiles.com/support.htmlVendor Advisory
https://www.tempest.com.brNot Applicable
http://packetstormsecurity.com/files/167228/LiquidFiles-3.4.15-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2022/May/41Exploit, Mailing List, Third Party Advisory
https://gist.github.com/rodnt/9f7d368fac38cafa7334598ec94fb167Exploit, Third Party Advisory
https://liquidfiles.com/support.htmlVendor Advisory
https://www.tempest.com.brNot Applicable

Timeline

Published: Apr 6, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-30140?

How severe is CVE-2021-30140?

CVE-2021-30140 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.36% probability of exploitation in the next 30 days.

How do I fix CVE-2021-30140?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-30140?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST