CVE-2026-30934
8.9CVSSHIGH
Description
FileBrowser Quantum: Stored XSS in public share page via unsanitized share metadata (text/template misuse)
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:LPrivileges RequiredLow
UI:RUser InteractionRequired
Scope
S:CScopeChanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:LAvailabilityLow
Weaknesses
Affected Products
Attack Graph
Products CVE Techniques Tactics
Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.
Exploitability
Official Patch Available
MITRE ATT&CK
2 techniques Execution
Initial Access
References
https://github.com/gtsteffaniak/filebrowser/security/advisories/GHSA-r633-fcgp-m532
github.com
https://nvd.nist.gov/vuln/detail/CVE-2026-30934
nvd.nist.gov
https://github.com/gtsteffaniak/filebrowser
github.com
and 3 more references View all →
Timeline
Published
Mar 10, 2026
Last Updated
Mar 18, 2026
Unlock Complete Vulnerability Intelligence
Get the full picture for CVE-2026-30934 and every CVE in our database. Create a free account — no credit card required.
Create Free AccountPlain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows