How severe is CVE-2005-2717?

CVE-2005-2717 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2005-2717 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-2005-2717?

CVE-2005-2717 primarily affects Webcalendar. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-2717?

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-2005-2717 published?

CVE-2005-2717 was published on 2005-08-29 and last updated on 2026-06-16.

CVE-2005-2717

CVE-2005-2717 is a high-severity vulnerability in Webcalendar 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.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Webcalendar
Published: 2005-08-29
Last modified: 2026-06-16

Description

PHP remote file inclusion vulnerability in WebCalendar before 1.0.1 allows remote attackers to execute arbitrary PHP code when opening settings.php, possibly via send_reminders.php or other scripts.

Frequently asked questions

What is CVE-2005-2717?: PHP remote file inclusion vulnerability in WebCalendar before 1.0.1 allows remote attackers to execute arbitrary PHP code when opening settings.php, possibly via send_reminders.php or other scripts.
How severe is CVE-2005-2717?: CVE-2005-2717 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-2717 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-2005-2717?: CVE-2005-2717 primarily affects Webcalendar. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-2717?: 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-2005-2717 published?: CVE-2005-2717 was published on 2005-08-29 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:webcalendar:webcalendar:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:webcalendar:webcalendar:1.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:webcalendar:webcalendar:1.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:webcalendar:webcalendar:1.0.0:rc3:*:*:*:*:*:*

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CVE-2004-1508 — High (CVSS 7.5): init.php in WebCalendar allows remote attackers to execute arbitrary local PHP scripts via the user_inc parameter.
CVE-2001-0477 — High (CVSS 7.5): Vulnerability in WebCalendar 0.9.26 allows remote command execution.

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