SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-8928

Cross-site scripting (XSS) vulnerability in Address Book Editor in Synology CardDAV Server before 6.0.8-0086 allows remote authenticated users to inject arbitrary web script or HTML via the (1) family_name, (2) given_name, or (3) additional_name…

MEDIUM 5.4EPSS 0.80%

Does this matter?

Lower severity and a low EPSS score (0.80%). Track it; it rarely justifies an emergency change on its own.

Description

Cross-site scripting (XSS) vulnerability in Address Book Editor in Synology CardDAV Server before 6.0.8-0086 allows remote authenticated users to inject arbitrary web script or HTML via the (1) family_name, (2) given_name, or (3) additional_name parameter.

CVSS 3.0
5.4 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
0.80% probability · 56th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-79
Affected
synology/carddav server
Source
security@synology.com
EPSS trend
0%3%5%27 October 2026: 0.80%27 October 202627 October 2026

EPSS 0.8% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.