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Vulnerability record · CVE-2020-21142 · published 28 June 2021

CVE-2020-21142: Ipfire cross-site scripting vulnerability

Ipfire · Ipfire

Cross Site Scripting (XSS) vulnerabilty in IPFire 2.23 via the IPfire web UI in the mail.cgi.

6.1 CVSS 3.1 Medium EPSS 0.69% · top 49.3% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
0.69%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Cross Site Scripting (XSS) vulnerabilty in IPFire 2.23 via the IPfire web UI in the mail.cgi.

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

Affected products

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

References

LinkTags
https://bugzilla.ipfire.org/show_bug.cgi?id=12226 ExploitIssue TrackingPatchThird Party Advisory
https://bugzilla.ipfire.org/show_bug.cgi?id=12226 ExploitIssue TrackingPatchThird Party 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-2020-21142), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.