ZyWALL Referer header cross-site scripting

zywall-referer-xss (42282) The risk level is classified as MediumMedium Risk


ZyWALL is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability using the Referer header in a specially-crafted HTTP GET request to execute script in a victim's Web browser within the security context of the hosting Web site. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.


Base Score: 4.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: Partial
  Availability Impact: None
Temporal Score: 4.1
  Exploitability: High
  Remediation Level: Unavailable
  Report Confidence: Uncorroborated


Gain Access


No remedy available as of September 1, 2014.


  • BugTraq Mailing List, Thu May 08 2008 - 10:12:45 CDT: ZYWALL Referer Header XSS Vulnerability.
  • ZyXEL Web site: ZyXEL ZyWALL 100 - Internet Security Gateway for SMB.
  • BID-29110: ZyWALL 100 HTTP Referer Header Cross Site Scripting Vulnerability
  • CVE-2008-2167: Cross-site scripting (XSS) vulnerability in ZyXEL ZyWALL 100 allows remote attackers to inject arbitrary web script or HTML via the Referer header, which is not properly handled in a 404 Error page.
  • OSVDB ID: 45044: ZyXEL ZyWALL Web Management Interface Referer HTTP Header XSS
  • SA30142: ZyXEL ZyWALL 100 "Referer" Cross-Site Scripting Vulnerability
  • SECTRACK ID: 1020000: ZyWALL Input Validation Hole Permits Cross-Site Scripting Attacks

Platforms Affected:

  • ZyXEL ZyWALL 100


May 08, 2008

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