How severe is CVE-2011-4734?

CVE-2011-4734 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2011-4734 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4734?

CVE-2011-4734 affects Parallels Parallels Plesk Panel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-4734?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2011-4734 published?

CVE-2011-4734 was published on 2011-12-16 and last updated on 2026-06-16.

CVE-2011-4734

CVE-2011-4734 is a high-severity vulnerability in Parallels Parallels Plesk Panel with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Parallels Parallels Plesk Panel
Published: 2011-12-16
Last modified: 2026-06-16

Description

Multiple SQL injection vulnerabilities in the Control Panel in Parallels Plesk Panel 10.2.0 build 20110407.20 allow remote attackers to execute arbitrary SQL commands via crafted input to a PHP script, as demonstrated by file-manager/ and certain other files.

Frequently asked questions

What is CVE-2011-4734?: Multiple SQL injection vulnerabilities in the Control Panel in Parallels Plesk Panel 10.2.0 build 20110407.20 allow remote attackers to execute arbitrary SQL commands via crafted input to a PHP script, as demonstrated by file-manager/ and certain other files.
How severe is CVE-2011-4734?: CVE-2011-4734 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2011-4734 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4734?: CVE-2011-4734 affects Parallels Parallels Plesk Panel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-4734?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2011-4734 published?: CVE-2011-4734 was published on 2011-12-16 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:parallels:parallels_plesk_panel:10.2.0_build20110407.20:*:*:*:*:*:*:*

More vulnerabilities in Parallels Parallels Plesk Panel

CVE-2011-4749 — Critical (CVSS 10.0): The billing system for Parallels Plesk Panel 10.3.1_build1013110726.09 generates a password form field without…
CVE-2011-4744 — Critical (CVSS 10.0): The Control Panel in Parallels Plesk Panel 10.2.0 build 20110407.20 sends incorrect Content-Type headers for certain…
CVE-2011-4743 — Critical (CVSS 10.0): The Control Panel in Parallels Plesk Panel 10.2.0 build 20110407.20 omits the Content-Type header's charset parameter…
CVE-2011-4739 — Critical (CVSS 10.0): The Control Panel in Parallels Plesk Panel 10.2.0 build 20110407.20 generates a password form field without disabling…
CVE-2011-4733 — Critical (CVSS 10.0): The Server Administration Panel in Parallels Plesk Panel 10.2.0_build1011110331.18 sends incorrect Content-Type headers…
CVE-2011-4732 — Critical (CVSS 10.0): The Server Administration Panel in Parallels Plesk Panel 10.2.0_build1011110331.18 omits the Content-Type header's…

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