CVE-2026-40534

5.4 mediumEPSS 0.3%

Medium (5.4). EPSS 0.3% chance of exploitation in the next 30 days.

An improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Video API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated users to read or write limited files when the player is launched.

Severity

CVSS 3.1

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 19% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-09-18
Modified: 2026-09-18
Record from: the NVD, synced 2026-10-19

References

https://www.synology.com/en-global/security/advisory/Synology_SA_26_06

Check your stack JSON