Sonatype Nexus Repository up to 3.86.2 Security Header cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Sonatype Nexus Repository up to 3.86.2. This impacts an unknown function of the component Security Header Handler. Executing a manipulation can lead to cross site scripting. This vulnerability is registered as CVE-2025-13488. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Sonatype Nexus Repository up to 3.86.2. It has been declared as problematic. This vulnerability affects some unknown functionality of the component Security Header Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

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.

The weakness was published by @0x21SAFE. The advisory is shared for download at help.sonatype.com. This vulnerability was named CVE-2025-13488 since 11/20/2025. The exploitation appears to be easy. The attack can be initiated remotely. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

11/20/2025 CVE reserved
12/05/2025 +15 days Advisory disclosed
12/05/2025 +0 days VulDB entry created
12/05/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: help.sonatype.com
Researcher: @0x21SAFE
Status: Confirmed

CVE: CVE-2025-13488 (🔒)
GCVE (CVE): GCVE-0-2025-13488
GCVE (VulDB): GCVE-100-334420

Entryinfo

Created: 12/05/2025 02:07
Changes: 12/05/2025 02:07 (66)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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