Is CVE-2011-5073 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2011-5073, but active exploitation has not been confirmed.

Can CVE-2011-5073 be exploited remotely?

Yes. CVE-2011-5073 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2011-5073?

CVE-2011-5073 has a CVSS score of 4.3 (MEDIUM).

HOME VULNERABILITIESCVE-2011-5073

MEDIUMPOC

CVE-2011-5073

CWE-79Published: January 29, 2012· Updated: Jun 16, 2026

4.3

CVSS v3.1

Official Description

Multiple cross-site scripting (XSS) vulnerabilities in Support Incident Tracker (aka SiT!) before 3.65 allow remote attackers to inject arbitrary web script or HTML via the (1) mode parameter to contact_support.php; (2) contractid parameter to contract_add_service.php; (3) user parameter to edit_backup_users.php; (4) id parameter to edit_escalation_path.php; the Referer to (5) forgotpwd.php, (6) an approvalpage action to billable_incidents.php, or (7) transactions.php; (8) action parameter to inbox.php; (9) search_string parameter in a findcontact action to incident_add.php; table1 parameter to (10) report_customers.php, (11) report_incidents_by_engineer.php, (12) report_incidents_by_site.php, or (13) report_marketing.php; or the (14) startdate or (15) enddate parameter to report_incidents_by_vendor.php.

NVD Source

Technical Analysis

CVE-2011-5073 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-2011-5073. 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.