Is CVE-2011-4275 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2011-4275, but active exploitation has not been confirmed.

Can CVE-2011-4275 be exploited remotely?

Yes. CVE-2011-4275 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2011-4275?

CVE-2011-4275 has a CVSS score of 4.3 (MEDIUM).

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MEDIUMPOC

CVE-2011-4275

CWE-79Published: November 26, 2011· Updated: Jun 16, 2026

4.3

CVSS v3.1

Official Description

Multiple cross-site scripting (XSS) vulnerabilities in iTop (aka IT Operations Portal) 1.1.181 and 1.2.0-RC-282 allow remote attackers to inject arbitrary web script or HTML via (1) a crafted company name, (2) a crafted database server name, (3) a crafted CSV file, (4) a crafted copy-and-paste action, (5) the auth_user parameter in a suggest_pwd action to UI.php, (6) the c[menu] parameter to UniversalSearch.php, (7) the description parameter in a SearchFormToAdd_document_list action to UI.php, (8) the category parameter in an errors action to audit.php, or (9) the suggest_pwd parameter to UI.php.

NVD Source

Technical Analysis

CVE-2011-4275 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2011-4275. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.