CVE-2025-13167

Analyzed Analyzed - Analysis Complete

Cross-Site Scripting in Synology Contacts

Publication date: 2026-05-27

Last updated on: 2026-05-28

Assigner: Synology Inc.

Description

Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in contact functionality in Synology Contacts before 1.0.10-20659 allows remote authenticated users to read or write specific files containing non-sensitive information via unspecified vectors.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-05-27

Last Modified

2026-05-28

Generated

2026-07-06

AI Q&A

2026-05-27

EPSS Evaluated

2026-07-05

NVD

CVE-2025-13167

EUVD

EUVD-2025-209954

Affected Vendors & Products

Vendor	Product	Version / Range
synology	contacts	to 1.0.10-20659 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
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.

Attack-Flow Graph

Executive Summary

This vulnerability is a Cross-site Scripting (XSS) issue found in the contact functionality of Synology Contacts before version 1.0.10-20659. It occurs due to improper neutralization of input during web page generation, which allows remote authenticated users to exploit the system.

Specifically, attackers can read or write certain files containing non-sensitive information through unspecified vectors by leveraging this vulnerability.

Impact Analysis

The vulnerability allows remote authenticated users to read or write specific files that contain non-sensitive information. This could lead to unauthorized access or modification of some data within the Synology Contacts application.

The CVSS score of 5.4 indicates a moderate severity, meaning the impact is significant but not critical. The attack requires network access, low attack complexity, and user interaction.

Mitigation Strategies

The immediate step to mitigate this vulnerability is to apply the security update released by Synology for the Synology Contacts package.

Upgrade Synology Contacts to version 1.0.10-20659 or later.

No other mitigation steps beyond applying the update are provided.

Compliance Impact

The provided information does not specify how this vulnerability impacts compliance with common standards and regulations such as GDPR or HIPAA.

Hi! I’m here to help you understand CVE-2025-13167. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70