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Vulnerability record · CVE-2020-29071 · published 25 November 2020

CVE-2020-29071: Liquidfiles cross-site scripting vulnerability

Liquidfiles · Liquidfiles

An XSS issue was found in the Shares feature of LiquidFiles before 3.3.19. The issue arises from the insecure rendering of HTML files uploaded to the platform as attachments, when the -htmlview URL is directly accessed. The impact ranges from executing commands as root on the server to retrieving sensitive information about encrypted e-mails, depending on the permissions of the target user.

9.0 CVSS 3.1 Critical EPSS 1.7% · top 24.3% CWE-79 · Cross-site scripting
9.0CVSS 3.1 base score, v2 8.5
1.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An XSS issue was found in the Shares feature of LiquidFiles before 3.3.19. The issue arises from the insecure rendering of HTML files uploaded to the platform as attachments, when the -htmlview URL is directly accessed. The impact ranges from executing commands as root on the server to retrieving sensitive information about encrypted e-mails, depending on the permissions of the target user.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lean0x2f.github.io/liquidfiles_advisory ExploitThird Party Advisory
https://man.liquidfiles.com/release_notes/version_3-3-x.html Release NotesVendor Advisory
https://lean0x2f.github.io/liquidfiles_advisory ExploitThird Party Advisory
https://man.liquidfiles.com/release_notes/version_3-3-x.html Release NotesVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-29071), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.