CVE-2020-10203 json
Persistent Cross-Site scripting in Nexus Repository Manager
published 2020-04-01 6 y ago modified 2026-09-10 1 mo ago also GHSA-3944-787c-f852 , EUVD-2020-0359
- cvss
- 4.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
Sonatype Nexus Repository before 3.21.2 allows XSS.
Patch / fix
- maven org.sonatype.nexus:nexus-core 3.21.2
- sonatype nexus 3.21.2
Exploit prediction
0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
| GitHub | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.sonatype.nexus:nexus-core | <3.21.2 |
3.21.2 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
support.sonatype.com
/hc/en-us/articles/360044361594
web, patch, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-10203
advisory
-
securitylab.github.com
/advisories/GHSL-2020-016-nxrm-sonatype
advisory
Sources
- CVE List CVE-2020-10203
- GitHub Advisory GHSA-3944-787c-f852
- NVD CVE-2020-10203
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.