CVE-2011-4728
CWE-200Published: December 16, 2011· Updated: Jun 16, 2026
Official Description
The Server Administration Panel in Parallels Plesk Panel 10.2.0_build1011110331.18 does not set the secure flag for a cookie in an https session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an http session, as demonstrated by cookies used by login_up.php3 and certain other files.
Technical Analysis
CVE-2011-4728 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.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
All References (4)
Quick Facts
Related CVEs (CWE-200)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2011-4728 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts