CVE-2011-4727

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-12-16 · updated 2026-06-16
Weakness: CWE-20

Description

The Server Administration Panel in Parallels Plesk Panel 10.2.0_build1011110331.18 does not properly validate string data that is intended for storage in an XML document, which allows remote attackers to cause a denial of service (parsing error) or possibly have unspecified other impact via a crafted REST URL parameter, as demonstrated by parameters to admin/ and certain other files.

Affected products

Parallels Plesk Panel: 10.2.0_build1011110331.18

References

http://xss.cx/examples/plesk-reports/plesk-redhat-el6-psa-10.2.0-build-1011110331.18-xss-sqli-cwe79-cwe89-javascript-injection-exception-example-poc-report-paros-burp-suite-pro-1.4.1.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/72332
http://xss.cx/examples/plesk-reports/plesk-redhat-el6-psa-10.2.0-build-1011110331.18-xss-sqli-cwe79-cwe89-javascript-injection-exception-example-poc-report-paros-burp-suite-pro-1.4.1.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/72332

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