CVE-2011-4756: n/a vulnerability

CVE-2011-4756: Parallels Plesk Small Business Panel 10.2.0 does not include the HTTPOnly flag in a Set-Cookie header for a...

Parallels Plesk Small Business Panel 10.2.0 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 domains/sitebuilder_edit.php and certain other files.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 00:16 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2011-4756 is a cookie-hardening flaw in Parallels Plesk Small Business Panel 10.2.0. Some cookies were set without the HTTPOnly flag, meaning browser-side script could read them if an attacker could run script in the user’s session. The source bundle does not show active exploitation or a vendor fix. Exposure is most likely in organizations still running Parallels Plesk Small Business Panel 10.2.0, especially internet-accessible administrative or sitebuilder interfaces. The source bundle does not identify broader affected versions or CPEs. Treat this as a legacy control-panel hardening issue. It is not cited as actively exploited, but stale internet-facing Plesk panels are operational risk. Prioritize discovery and retirement or upgrade over emergency response unless exposure is confirmed. Mitigation focus: Check vendor or successor product guidance for supported fixed versions.; Upgrade or retire Plesk Small Business Panel 10.2.0 where present.; Limit administrative panel access to trusted networks or VPNs..

Prepared: Jun 27, 2026, 17:48 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Dec 16, 2011, 11:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

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2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
ppsbp-sitebuilderedit-info-disc(72208)CVE reference · vdb-entry, x_refsource_XF

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

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Weakness

CWE details

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