Is CVE-2011-4738 actively exploited?

No active exploitation of CVE-2011-4738 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2011-4738 be exploited remotely?

Yes. CVE-2011-4738 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2011-4738?

CVE-2011-4738 has a CVSS score of 5.0 (MEDIUM).

HOME VULNERABILITIESCVE-2011-4738

MEDIUM

CVE-2011-4738

CWE-200Published: December 16, 2011· Updated: Jun 16, 2026

5.0

CVSS v3.1

Official Description

The Control Panel in Parallels Plesk Panel 10.2.0 build 20110407.20 does not include the HTTPOnly flag in a Set-Cookie header for a cookie, which makes it easier for remote attackers to obtain potentially sensitive information via script access to this cookie, as demonstrated by cookies used by get_password.php and certain other files.

NVD Source

Technical Analysis

CVE-2011-4738 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.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.