XSS in Liquidfiles
CVE-2021-30140
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.014 (70.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Liquidfiles — versions 3.4.15
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.tempest.com.br (Not Applicable)
- liquidfiles.com/support.html (Vendor Advisory)
- gist.github.com/rodnt/9f7d368fac38cafa7334598ec94fb167 (Exploit, Third Party Advisory)
- seclists.org/fulldisclosure/2022/May/41 (mailing-list, Exploit, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/167228/LiquidFiles-3.4.15-Cross-Site-Scripting.ht… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-30140?
- CVE-2021-30140 is a medium-severity vulnerability in Liquidfiles, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-04-06.
- How severe is CVE-2021-30140?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2021-30140 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.