CVE-2011-4273

mediumpriority · track · 29EPSS 0.048 · 92 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

3 exploits · functional

Likely / severe?

4.77% (92nd) EPSS

CVSS 4.3 · medium

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.9–4.3

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v2.03.9lowAV:N/AC:M/Au:N/C:N/I:P/A:N/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimary

exploits (3)

Public proof-of-concept and weaponised exploit code.

EDB-36217GoAhead Web Server 2.18 - 'addgroup.asp?group' Cross-Site Scriptingfunctional · exploit_db
EDB-36218GoAhead Web Server 2.18 - 'addlimit.asp?url' Cross-Site Scriptingfunctional · exploit_db
EDB-36219GoAhead Web Server 2.18 - 'adduser.asp' Multiple Cross-Site Scripting Vulnerabilitiesfunctional · exploit_db

affected products (2)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
goahead goahead webserver= 2.1.8nvdUScpe:2.3:a:goahead:goahead_webserver:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2011-11-03modified 2026-06-16

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+53058 more

references (8)

External citations — patches, advisories, analysis.

scry

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