Is CVE-2014-3878 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2014-3878, but active exploitation has not been confirmed.

Can CVE-2014-3878 be exploited remotely?

Yes. CVE-2014-3878 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2014-3878?

CVE-2014-3878 has a CVSS score of 4.3 (MEDIUM).

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MEDIUMPOC

CVE-2014-3878

CWE-79Published: June 5, 2014· Updated: Jun 17, 2026

4.3

CVSS v3.1

Official Description

Multiple cross-site scripting (XSS) vulnerabilities in the web client interface in Ipswitch IMail Server 12.3 and 12.4, possibly before 12.4.1.15, allow remote attackers to inject arbitrary web script or HTML via (1) the Name field in an add new contact action in the Contacts section or unspecified vectors in (2) an Add Group task in the Contacts section, (3) an add new event action in the Calendar section, or (4) the Task section.

NVD Source

Technical Analysis

CVE-2014-3878 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-2014-3878. 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.