Medium severity · published May 27, 2026
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…
5.4
CVSS
0.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SC
Synology Contacts · Synology
before 1.0.10-20659 · source: vendor
CO
Contacts · Synology
before 1.0.10-20659 · source: NVD