CVE Tools
Sign in

CVE-2026-34530

File Browser is vulnerable to Stored Cross-Site Scripting via text/template branding injection

Published: Apr 1, 2026Updated: Apr 6, 2026 Sources: CVE List NVDCWE-79
NVD MITRE
6.9CVSSMEDIUM
EPSS Score
0.4%
Top 72.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to version 2.62.2, the SPA index page in File Browser is vulnerable to Stored Cross-Site Scripting (XSS) via admin-controlled branding fields. An admin who sets branding.name to a malicious payload injects persistent JavaScript that executes for ALL visitors, including unauthenticated users. This issue has been patched in version 2.62.2.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:RS:CC:HI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:LIntegrity
Low
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-79

Affected Products

filebrowserfilebrowser
On-prem
Web & CMS Plugins / site-builder
filebrowseross-projectWeb & CMS Pluginsaka filebrowser

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
View detailed technique mapping

References

https://github.com/filebrowser/filebrowser/releases/tag/v2.62.2
github.com
https://github.com/filebrowser/filebrowser/security/advisories/GHSA-xfqj-3vmx-63wv
github.com

Timeline

Published
Apr 1, 2026
Last Updated
Apr 6, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2026-34530 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-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