CVE-2020-10203: Sonatype nexus cross-site scripting vulnerability

Sonatype · Nexus

Sonatype Nexus Repository before 3.21.2 allows XSS.

4.8 CVSS 3.1 Medium EPSS 0.92% · top 41.3% CWE-79 · Cross-site scripting

4.8CVSS 3.1 base score, v2 3.5

0.92%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

2References

17 Jun 2026Last modified by NVD

Description

Sonatype Nexus Repository before 3.21.2 allows XSS.

CVSS:3.1/AV:N/AC:L/PR:H/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.

Nexus Sonatype

References

Link	Tags
https://support.sonatype.com/hc/en-us/articles/360044361594	PatchVendor Advisory
https://support.sonatype.com/hc/en-us/articles/360044361594	PatchVendor 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-2020-10203), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.