CVE-2012-4739

Barracuda SSL VPN < 2.2.2.203 - Cross-Site Scripting via Multiple Parameters

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2012-4739. PoCs published by Benjamin Kunz Mejri.

AI-analyzed exploit summary The provided text describes a cross-site scripting (XSS) vulnerability in Barracuda SSL VPN 680 due to improper input sanitization. The vulnerability allows arbitrary script execution in the context of the affected site via a crafted URL parameter.

Description

Multiple cross-site scripting (XSS) vulnerabilities in Barracuda SSL VPN before 2.2.2.203 (2012-07-05) allow remote attackers to inject arbitrary web script or HTML via the (1) policyLaunching, (2) resourcePrefix, or (3) actionPath parameter in showUserResourceCategories.do; (4) list or (5) path parameter to fileSystem.do; or (6) return-To parameter to launchAgent.do.

Exploits (2)

exploitdb WRITEUP VERIFIED
by Benjamin Kunz Mejri · textremotehardware
https://www.exploit-db.com/exploits/37512

The provided text describes a cross-site scripting (XSS) vulnerability in Barracuda SSL VPN 680 due to improper input sanitization. The vulnerability allows arbitrary script execution in the context of the affected site via a crafted URL parameter.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Barracuda SSL VPN 680 versions prior to 2.2.2.203
No auth needed
Prerequisites: Access to the vulnerable URL endpoint
MITRE ATT&CK
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Benjamin Kunz Mejri · textremotehardware
https://www.exploit-db.com/exploits/37513

This exploit demonstrates a reflected XSS vulnerability in Barracuda SSL VPN 680 by injecting malicious JavaScript via the 'path' parameter in the URL. The PoC triggers an alert dialog, proving arbitrary script execution in the context of the affected site.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Barracuda SSL VPN 680 versions prior to 2.2.2.203
No auth needed
Prerequisites: Victim must visit the crafted URL
MITRE ATT&CK
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/54761
Exploit mailing-list x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2012-08/0003.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1027279
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/77365

Scores

EPSS 0.0329
EPSS Percentile 87.0%

Details

CWE
CWE-79
Status published
Products (3)
barracudanetworks/barracuda_ssl_vpn 1.2.6.004
barracudanetworks/barracuda_ssl_vpn 1.5.0.29
barracudanetworks/barracuda_ssl_vpn < 1.7.2.004
Published Aug 31, 2012
Tracked Since Feb 18, 2026