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TI-2018-06453 Aliases CVE-2018-8915GHSA-jc52-h9fr-wjmq

Cross-site scripting in Synology Calendar

Priority LOW 30CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

EPSS 0.00787 56th percentileScored 2026-11-07
Fix Fixed Calendar (Synology): 2.1.1-0502

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
SynologyCalendarbefore 2.1.1-05022.1.1-0502Patch availableCNA
  • Calendar VendorSynology Affected before 2.1.1-0502 Fixed in 2.1.1-0502 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:synology:calendar:*:*:*:*:*:*:*:*before 2.1.1-0502VulnerableSynology
  • cpe:2.3:a:synology:calendar:*:*:*:*:*:*:*:* Versions before 2.1.1-0502 Vulnerable ·Synology

Remediation

  • Fix · CNA Calendar (Synology) Fixed in 2.1.1-0502

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-8915
  2. 2026-10-03 Alias added: GHSA-jc52-h9fr-wjmq

References

Advisory 1

  • TI-2019-08865 OS command injection in Synology Calendar CVSS 3.1CRITICAL 9.8
  • TI-2022-06947 Cross-site request forgery in Synology Calendar CVSS 3.1HIGH 8.0
  • TI-2021-13806 Hard-coded credentials in Synology Calendar CVSS 3.1HIGH 7.5
  • TI-2018-09547 Path traversal in Synology Calendar CVSS 3.0MEDIUM 6.5
  • TI-2018-06465 Incorrect authorization in Synology Calendar CVSS 3.0MEDIUM 6.5
  • TI-2017-11638 Improper access control in Synology Calendar CVSS 3.0MEDIUM 6.5
See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences