XSS in Synology Carddav Server

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 parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.008 (54.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-8928: held from 0.008 to 0.008.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-8928?
CVE-2018-8928 is a medium-severity vulnerability in Synology Carddav Server, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2018-07-05.
How severe is CVE-2018-8928?
Medium severity. CVSS v3 base score is 6.5 out of 10.