CVE-2011-4854 — The Control Panel in Parallels Plesk Panel 10.4.4_build20111103.18 does not ensure that Content-Type HTTP headers match the corresponding Content-Type data in HTML META elements, which might allow remote attackers to have an unspecified impact by leveraging an interpretation conflict involving the get_enabled_product_icon program

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HIGH

The Control Panel in Parallels Plesk Panel 10.4.4_build20111103.18 does not ensure that Content-Type HTTP headers match the corresponding Content-Type data in HTML META elements, which might allow remote attackers to have an unspecified impact by leveraging an interpretation conflict involving the get_enabled_product_icon program

Published Dec 16, 2011

9.3

HIGH

CVSS 2.0

EPSS 1.62%

Description

The Control Panel in Parallels Plesk Panel 10.4.4_build20111103.18 does not ensure that Content-Type HTTP headers match the corresponding Content-Type data in HTML META elements, which might allow remote attackers to have an unspecified impact by leveraging an interpretation conflict involving the get_enabled_product_icon program. NOTE: it is possible that only clients, not the Plesk product, could be affected by this issue.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.62% 0.01618

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01618

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.62% (0.01618)	75.17th	v5 (v2026.06.15)
Jun 15, 2026	1.76% (0.01763)	75.05th	v5 (v2026.06.15)
Mar 17, 2025	0.56% (0.00557)	66.21th	v4 (v2025.03.14)
Dec 12, 2024	0.39% (0.00392)	74.18th	v3 (v2023.03.01)
Feb 8, 2024	0.39% (0.00392)	72.64th	v3 (v2023.03.01)
Mar 7, 2023	0.39% (0.00392)	69.16th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Sep 17, 2022	1.05% (0.01055)	50.47th	v2 (v2022.01.01)
Apr 1, 2022	1.05% (0.01055)	48.43th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (2)

http://xss.cx/kb/parallels/xss-parallelspleskpanel.v10.4.4_build20111103.18-os_windows-2003-2008-reflected-cross-site-scripting-cwe79-capec86-javascript-injection-example-poc-report.html
x_refsource_MISCVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/72093
vdb-entryx_refsource_XF

Link	Providers	Tags
http://xss.cx/kb/parallels/xss-parallelspleskpanel.v10.4.4_build20111103.18-os_windows-2003-2008-reflected-cross-site-scripting-cwe79-capec86-javascript-injection-example-poc-report.html		x_refsource_MISCVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/72093		vdb-entryx_refsource_XF

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Dec 16, 2011

Updated Aug 7, 2024

Reserved Dec 15, 2011

Link CVE-2011-4854

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2011-4854

Red Hat

Severity n/a

Public date n/a

Links CVE-2011-4854