CVE-2026-84695 - CERT CVE
ID CVE-2026-84695
Sažetak BookStack before 26.05.4 contains a stored cross-site scripting vulnerability in the drawing upload endpoint that accepts unvalidated base64 content and stores it without content inspection. Attackers with editor permissions can upload SVG files containing scripts that execute in administrator browsers when accessed through the image gallery API without content-type validation or CSP headers.
Reference
CVSS
Base: 8.7
Impact: 5.8
Exploitability:2.3
Pristup
VektorSloženostAutentikacija
NETWORK LOW LOW
Impact
PovjerljivostCjelovitostDostupnost
HIGH HIGH NONE
CVSS vektor CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Zadnje važnije ažuriranje 02-09-2026 - 01:17
Objavljeno 02-09-2026 - 01:17