CVE-2011-4776 — Multiple cross-site scripting (XSS) vulnerabilities in the Control Panel in Parallels Plesk Panel 10.4.4_build20111103.18 allow remote attackers to inject arbitrary web script or HTML via crafted input to a PHP script, as demonstrated by admin/update/settings/ and certain other files

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MEDIUM

Multiple cross-site scripting (XSS) vulnerabilities in the Control Panel in Parallels Plesk Panel 10.4.4_build20111103.18 allow remote attackers to inject arbitrary web script or HTML via crafted input to a PHP script, as demonstrated by admin/update/settings/ and certain other files

Published Dec 16, 2011

4.3

MEDIUM

CVSS 2.0

EPSS 0.84%

Description

Multiple cross-site scripting (XSS) vulnerabilities in the Control Panel in Parallels Plesk Panel 10.4.4_build20111103.18 allow remote attackers to inject arbitrary web script or HTML via crafted input to a PHP script, as demonstrated by admin/update/settings/ and certain other files.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.84% 0.00845

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

EPSS probability 0.00845

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	0.84% (0.00845)	56.48th	v5 (v2026.06.15)
Jun 15, 2026	0.92% (0.00921)	55.46th	v5 (v2026.06.15)
Mar 17, 2025	0.22% (0.00225)	43.24th	v4 (v2025.03.14)
Dec 12, 2024	0.13% (0.00132)	49.84th	v3 (v2023.03.01)
Jun 14, 2024	0.13% (0.00132)	48.45th	v3 (v2023.03.01)
Mar 7, 2023	0.13% (0.00132)	46.43th	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 (1)

CWE-79

Cross-site Scripting (XSS)

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_MISC
https://exchange.xforce.ibmcloud.com/vulnerabilities/72220
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_MISC
https://exchange.xforce.ibmcloud.com/vulnerabilities/72220		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 13, 2011

Link CVE-2011-4776

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2011-4776

Red Hat

Severity n/a

Public date n/a

Links CVE-2011-4776