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Fencer Intel
medium 5.4

CVE-2025-13167 json

Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in contact functionality in Synology Con…

published 5mo ago modified last mo. also EUVD-2025-209954

cvss
5.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 17%
public exploits
0
none known

Summary

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.

Patch / fix

  • Synology Synology Contacts 1.0.10-20659

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
5mo ago

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

  • Synology Synology Contacts

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.