CVE-2011-4273

GoAhead Webserver 2.18 - Cross-Site Scripting via Group Parameter or URL Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 3 public exploits for CVE-2011-4273. PoCs published by Silent Dream.

AI-analyzed exploit summary This exploit demonstrates an HTML injection vulnerability in GoAhead WebServer 2.18. It sends a crafted POST request with malicious script tags in the 'user' and 'group' parameters, which can execute arbitrary JavaScript in the context of the affected browser.

Description

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.

Exploits (3)

exploitdb WORKING POC VERIFIED
by Silent Dream · textremotewindows
https://www.exploit-db.com/exploits/36219

This exploit demonstrates an HTML injection vulnerability in GoAhead WebServer 2.18. It sends a crafted POST request with malicious script tags in the 'user' and 'group' parameters, which can execute arbitrary JavaScript in the context of the affected browser.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: GoAhead WebServer 2.18
No auth needed
Prerequisites: Network access to the vulnerable web server
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Silent Dream · textremotewindows
https://www.exploit-db.com/exploits/36218

This exploit demonstrates an HTML injection vulnerability in GoAhead WebServer 2.18. It sends a maliciously crafted POST request to inject a JavaScript alert, exploiting insufficient input sanitization.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: GoAhead WebServer 2.18
No auth needed
Prerequisites: Network access to the target web server
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Silent Dream · textremotewindows
https://www.exploit-db.com/exploits/36217

This exploit demonstrates an HTML injection vulnerability in GoAhead WebServer 2.18. It sends a maliciously crafted POST request to inject a JavaScript alert, proving the lack of input sanitization.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: GoAhead WebServer 2.1.8
No auth needed
Prerequisites: Network access to the target web server
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, US Government Resource third-party-advisory x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/384427
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/70434
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/46894

Scores

EPSS 0.0477
EPSS Percentile 90.8%

Details

CWE
CWE-79
Status published
Products (1)
goahead/goahead_webserver 2.1.8
Published Nov 03, 2011
Tracked Since Feb 18, 2026