CVE-2018-8911: synology note_station Cross-site Scripting
CVSS: 6.5v3.0MediumModified
Published 09-05-2018Last modified 16-09-2024
Vulnerability summary
CVE-2018-8911 is a medium (CVSS 6.5) Cross-site Scripting vulnerability in synology note_station. EPSS estimates a 1.01% chance of exploitation in the next 30 days, higher than 62.4% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.0 (CVE.org)EPSS score
1.01%
0%100%
Low · -0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-05-2018PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
Cross-site scripting (XSS) vulnerability in Attachment Preview in Synology Note Station before 2.5.1-0844 allows remote authenticated users to inject arbitrary web script or HTML via malicious attachments.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:LSources2 sources · 5.4–6.5
- NVDNIST5.4MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NDiffers
Low 3.5Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.01%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
-0.02 pp
From 1.03% on 18-09-2026
18-09-202618-10-2026
EPSS score1.01%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Synology1 product
- note_station≥ unspecified, < 2.5.1-0844 | < 2.5.1-0844
1 vendor · 1 product