SiYuan 2.9.0 before 3.8.7 XSS via check-auth to Parameter
Exact source revision recorded 25 Oct 2026 15:17:04 UTC. It does not establish the source's current position. Latest evidence.
cve-program · CVE-2026-116167
PublishedSiYuan from 2.9.0 before 3.8.7 contains a cross-site scripting vulnerability in the unauthenticated /check-auth page that assigns the to parameter to window.location.href without scheme validation. Attackers can send a crafted link with a javascript: URI that executes after victim login, invoking kernel APIs to read or modify workspace content and settings.
- Source published
- 25 Oct 2026 13:20:10 UTC
- Source modified
- 25 Oct 2026 13:20:10 UTC
- Observed here
- 25 Oct 2026 15:17:04 UTC
- Source terms
- CVE Program Terms of Use
Original source record · Cite this exact observation · Complete original publisher JSON
This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: cve-program · CVE Program Terms of Use. Source text is retained; field grouping and change labels are provided by ChangeIntel.
CVSS 4.0 · 7.6 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS 3.1 · 6.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N