How severe is CVE-2008-4673?

CVE-2008-4673 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2008-4673 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4673?

CVE-2008-4673 affects Webbiscuits Events Calendar. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-4673?

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

When was CVE-2008-4673 published?

CVE-2008-4673 was published on 2008-10-22 and last updated on 2026-06-16.

CVE-2008-4673

CVE-2008-4673 is a critical-severity vulnerability in Webbiscuits Events Calendar with a CVSS 2.0 base score of 10.0. 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-94.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 5% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Webbiscuits Events Calendar
Published: 2008-10-22
Last modified: 2026-06-16

Description

PHP remote file inclusion vulnerability in panel/common/theme/default/header_setup.php in WebBiscuits Software Events Calendar 1.1 allows remote attackers to execute arbitrary PHP code via a URL in the (1) path[docroot] and (2) component parameters.

Frequently asked questions

What is CVE-2008-4673?: PHP remote file inclusion vulnerability in panel/common/theme/default/header_setup.php in WebBiscuits Software Events Calendar 1.1 allows remote attackers to execute arbitrary PHP code via a URL in the (1) path[docroot] and (2) component parameters.
How severe is CVE-2008-4673?: CVE-2008-4673 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2008-4673 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-4673?: CVE-2008-4673 affects Webbiscuits Events Calendar. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-4673?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2008-4673 published?: CVE-2008-4673 was published on 2008-10-22 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:webbiscuits:events_calendar:1.1:*:*:*:*:*:*:*

Other CWE-94 (Code Injection) vulnerabilities

CVE-2026-57624 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.46 versions.
CVE-2026-10134 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 allows an attacker to read every secret available to the Langflow process, read…
CVE-2026-53576 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, the authentication filter…
CVE-2026-10561 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined…
CVE-2026-25470 — Critical (CVSS 10.0): Improper Control of Generation of Code ('Code Injection') vulnerability in ACPT ACPT (Pro) - Custom Post Types Plugin…
CVE-2026-48836 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Easy Invoice <= 2.1.19 versions.

Browse all CWE-94 (Code Injection) vulnerabilities →