Is CVE-2012-2578 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2012-2578, but active exploitation has not been confirmed.

Can CVE-2012-2578 be exploited remotely?

Yes. CVE-2012-2578 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2012-2578?

CVE-2012-2578 has a CVSS score of 4.3 (MEDIUM).

HOME VULNERABILITIESCVE-2012-2578

MEDIUMPOC

CVE-2012-2578

CWE-79Published: September 19, 2012· Updated: Jun 16, 2026

4.3

CVSS v3.1

Official Description

Multiple cross-site scripting (XSS) vulnerabilities in SmarterMail 9.2 allow remote attackers to inject arbitrary web script or HTML via an e-mail message body with (1) a JavaScript alert function used in conjunction with the fromCharCode method, (2) a SCRIPT element, (3) a Cascading Style Sheets (CSS) expression property in the STYLE attribute of an arbitrary element, or (4) an innerHTML attribute within an XML document.

NVD Source

Technical Analysis

CVE-2012-2578 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-2012-2578. 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.