CVE-2008-4918

SonicOS Enhanced < 4.0.1.1 - Cross-Site Scripting via CFS Block Page

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2008-4918. PoCs published by pagvac.

AI-analyzed exploit summary This exploit demonstrates a cross-site scripting (XSS) vulnerability in SonicWALL Content Filtering by injecting a malicious script into a URI, which is then reflected in the blocked-site error page. The PoC shows how arbitrary JavaScript can be executed in the context of the affected site.

Description

Cross-site scripting (XSS) vulnerability in SonicWALL SonicOS Enhanced before 4.0.1.1, as used in SonicWALL Pro 2040 and TZ 180 and 190, allows remote attackers to inject arbitrary web script or HTML into arbitrary web sites via a URL to a site that is blocked based on content filtering, which is not properly handled in the CFS block page, aka "universal website hijacking."

Exploits (1)

exploitdb WORKING POC VERIFIED
by pagvac · textremotehardware
https://www.exploit-db.com/exploits/32552

This exploit demonstrates a cross-site scripting (XSS) vulnerability in SonicWALL Content Filtering by injecting a malicious script into a URI, which is then reflected in the blocked-site error page. The PoC shows how arbitrary JavaScript can be executed in the context of the affected site.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: SonicWALL Content Filtering on SonicOS Enhanced versions prior to 4.0.1.1
No auth needed
Prerequisites: A user must visit a crafted URL while the SonicWALL Content Filtering is active
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (15)

Core 15
Core References
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/498043/100/0/threaded
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/497958/100/0/threaded
Permissions Required vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2008/2970
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/497948/100/0/threaded
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/31998
Third Party Advisory, VDB Entry x_refsource_misc
http://www.zerodayinitiative.com/advisories/ZDI-08-070/
Not Applicable third-party-advisory x_refsource_secunia
http://secunia.com/advisories/32498
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/497968/100/0/threaded
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/498073/100/0/threaded
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/4556
Third Party Advisory, VDB Entry x_refsource_misc
http://www.zerodayinitiative.com/advisories/ZDI-08-070
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/46232
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/497989/100/0/threaded

Scores

EPSS 0.0643
EPSS Percentile 92.8%

Details

CWE
CWE-79
Status published
Products (1)
sonicwall/sonicos_enhanced < 4.0.1.1
Published Nov 04, 2008
Tracked Since Feb 18, 2026