How severe is CVE-2011-5109?

CVE-2011-5109 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2011-5109 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-5109?

CVE-2011-5109 affects John Geo Freelancer Calendar. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-5109?

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-2011-5109 published?

CVE-2011-5109 was published on 2012-08-23 and last updated on 2026-06-16.

CVE-2011-5109

CVE-2011-5109 is a high-severity vulnerability in John Geo Freelancer Calendar 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: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: John Geo Freelancer Calendar
Published: 2012-08-23
Last modified: 2026-06-16

Description

Multiple SQL injection vulnerabilities in Freelancer calendar 1.01 and earlier allow remote attackers to inject arbitrary web script or HTML via the SearchField parameter in a search action to (1) category_list.php, (2) Copy_of_calendar_list.php, (3) customer_statistics_list.php, (4) customer_list.php, and (5) task_statistics_list.php in the worldcalendar directory.

Frequently asked questions

What is CVE-2011-5109?: Multiple SQL injection vulnerabilities in Freelancer calendar 1.01 and earlier allow remote attackers to inject arbitrary web script or HTML via the SearchField parameter in a search action to (1) category_list.php, (2) Copy_of_calendar_list.php, (3) customer_statistics_list.php, (4) customer_list.php, and (5) task_statistics_list.php in the worldcalendar directory.
How severe is CVE-2011-5109?: CVE-2011-5109 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2011-5109 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-5109?: CVE-2011-5109 affects John Geo Freelancer Calendar. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-5109?: 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-2011-5109 published?: CVE-2011-5109 was published on 2012-08-23 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:john_geo:freelancer_calendar:*:*:*:*:*:*:*:*

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