Medium severity · published Dec 4, 2025
CVE-2025-13488
Nexus Repository 3 - Stored Cross-Site Scripting (XSS)
5.1
CVSS
0.3%
EPSS
No
On KEV
Description
Due to a regression introduced in version 3.83.0, a security header is no longer applied to certain user-uploaded content served from repositories. This may allow an authenticated attacker with repository upload privileges to exploit a stored cross-site scripting (XSS) vulnerability with user context.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NR
Nexus Repository · Sonatype
3.83.0 through 3.86.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-13488
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-13488
help.sonatype.com
https://help.sonatype.com/en/sonatype-nexus-repository-3-87-0-release-notes.html
support.sonatype.com
https://support.sonatype.com/hc/en-us/articles/46896142768019
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