Vulnerability record · CVE-2011-4273 · published 3 November 2011

CVE-2011-4273: Goahead webserver cross-site scripting vulnerability

Goahead · Goahead Webserver

Multiple cross-site scripting (XSS) vulnerabilities in GoAhead Webserver 2.18 allow remote attackers to inject arbitrary web script or HTML via (1) the group parameter to goform/AddGroup, related to addgroup.asp; (2) the url parameter to goform/AddAccessLimit, related to addlimit.asp; or the (3) user (aka User ID) or (4) group parameter to goform/AddUser, related to adduser.asp.

4.3 CVSS 2.0 Medium EPSS 4.8% · top 8.4% CWE-79 · Cross-site scripting

4.3CVSS 2.0 base score

4.8%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

6References, 2 tagged exploit

16 Jun 2026Last modified by NVD

Description

AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Goahead Webserver Goahead

References

Link	Tags
http://secunia.com/advisories/46894
http://www.kb.cert.org/vuls/id/384427	ExploitUS Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/70434
http://secunia.com/advisories/46894
http://www.kb.cert.org/vuls/id/384427	ExploitUS Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/70434

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2002-2431Goahead webserver vulnerabilityUnspecified vulnerability in GoAhead WebServer before 2.1.4 allows remote attackers to cause "incorrect behavior" via unknown "malicious code," relat…EPSS 1.2%6 Feb 2009 5.0CVE-2009-5111Goahead webserver vulnerabilityGoAhead WebServer allows remote attackers to cause a denial of service (daemon outage) via partial HTTP requests, as demonstrated by Slowloris.EPSS 1.1%27 Dec 2011 5.0CVE-2002-2427Goahead webserver improper authentication vulnerabilityThe security handler in GoAhead WebServer before 2.1.1 allows remote attackers to bypass authentication and obtain access to protected web content vi…EPSS 1.3%6 Feb 2009 5.0CVE-2002-2428Goahead webserver improper input validation vulnerabilitywebs.c in GoAhead WebServer before 2.1.4 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an HTTP…EPSS 1.6%6 Feb 2009 5.0CVE-2002-2429Goahead webserver improper input validation vulnerabilitywebs.c in GoAhead WebServer before 2.1.4 allows remote attackers to cause a denial of service (daemon crash) via an HTTP POST request that contains a…EPSS 1.1%6 Feb 2009 5.0CVE-2002-2430Goahead webserver vulnerabilityGoAhead WebServer before 2.1.1 allows remote attackers to cause a denial of service (CPU consumption) by performing a socket disconnect to terminate …EPSS 1.1%6 Feb 2009 5.0CVE-2003-1568Goahead webserver improper input validation vulnerabilityGoAhead WebServer before 2.1.6 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an invalid URL, r…EPSS 1.6%6 Feb 2009 5.0CVE-2003-1569Goahead webserver improper input validation vulnerabilityGoAhead WebServer before 2.1.5 on Windows 95, 98, and ME allows remote attackers to cause a denial of service (daemon crash) via an HTTP request with…EPSS 1.1%6 Feb 2009

Source: NIST National Vulnerability Database (record CVE-2011-4273), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.