CVE-2011-4273

Exp

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.

Published: 2011-11-03 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-4273 is rated Exploit Available (58.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.05%). 4 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2011-4273

EDB-ID Source Kind Published Link
36219 exploit_db edb 2011-10-10 Exploit-DB ↗
36218 exploit_db edb 2011-10-10 Exploit-DB ↗
36217 exploit_db edb 2011-10-10 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-4273

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-02-20 1.39% 1.05% -0.34%
2 2026-01-10 0.44% 1.39% +0.96%
3 2025-09-24 — 0.44% —

Full EPSS history (17 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-4273

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2011-4273

Affected software / configurations for CVE-2011-4273

Vendor Product Version Raw CPE
goahead goahead_webserver 2.1.8 cpe:2.3:a:goahead:goahead_webserver:2.1.8:*:*:*:*:*:*:*

References for CVE-2011-4273

cvelogic Threat Intelligence