XSS in Synology Contacts
CVE-2025-13167
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (15.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Synology Contacts
- Synology Diskstation Manager — versions 7.2.1, 7.2.2, 7.3
- Synology Contacts
Weakness classification (CWE)
References
- www.synology.com/en-global/security/advisory/Synology_SA_25_13 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-13167?
- CVE-2025-13167 is a medium-severity vulnerability in Synology Contacts, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-05-27.
- How severe is CVE-2025-13167?
- Medium severity. CVSS v3 base score is 5.4 out of 10.