CVE-2018-8915 | BDVDB-2026-100577 Detail

SynologyCalendar

Description#

Cross-site scripting (XSS) vulnerability in Notification Center in Synology Calendar before 2.1.1-0502 allows remote authenticated users to inject arbitrary web script or HTML via title parameter.

Impact#

Per CVSS v3.0: confidentiality impact low, integrity impact low, availability impact low. Attack vector: network.

Weaknesses#

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References#

https://www.synology.com/en-global/support/security/Synology_SA_18_06

Exploit#

No public exploit known

History#

Version 12018-05-10Record published in the CVE List.
Version 22024-09-16Most recent update recorded in the CVE List.

Published

Published: 2018-05-10
Last modified: 2024-09-16

Vendor information

Vendor: Synology
Product: Calendar

All Synology vulnerabilities

Score

6.5 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 56.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Cross-Site Scripting

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 2.1.1-0502
Fixed
2.1.1-0502

Scoring System

CVSS v4.0

Not available

CVSS v3.1

Not available

CVSS v3.0

6.5 Medium

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	Required
Scope	Changed
Confidentiality	Low
Integrity	Low
Availability	Low

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).