CVE-2025-13488

Nexus Repository 3 - Stored Cross-Site Scripting (XSS)

Published Dec 4, 2025 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Sonatype

Nexus Repository

unaffected

Version	Status	Constraints
`3.83.0`	affected	≤ 3.86.2

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

No advisories available

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.354% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://help.sonatype.com/en/sonatype-nexus-repository-3-87-0-release-notes.html
https://support.sonatype.com/hc/en-us/articles/46896142768019

History

Dec 4, 2025 8:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Dec 4, 2025 6:30 PM Description updated. Title updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
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.
Title		Nexus Repository 3 - Stored Cross-Site Scripting (XSS)
First Time appeared		Sonatype Sonatype nexus Repository Manager
Weaknesses		CWE-79
CPEs		cpe:2.3:a:sonatype:nexus_repository_manager:3.83.0:::::::* cpe:2.3:a:sonatype:nexus_repository_manager:3.83.1:::::::* cpe:2.3:a:sonatype:nexus_repository_manager:3.83.2:::::::* cpe:2.3:a:sonatype:nexus_repository_manager:3.84.0:::::::* cpe:2.3:a:sonatype:nexus_repository_manager:3.84.1:::::::* cpe:2.3:a:sonatype:nexus_repository_manager:3.85.0:::::::* cpe:2.3:a:sonatype:nexus_repository_manager:3.86.0:::::::* cpe:2.3:a:sonatype:nexus_repository_manager:3.86.2:::::::*
Vendors & Products		Sonatype Sonatype nexus Repository Manager
References		https://help.sonatype.com/en/sonatype-nexus-repository-3-87-0-release-notes.html https://support.sonatype.com/hc/en-us/articles/46896142768019
Metrics		cvssV4_0 `{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}`