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7.5

WebCalendar 1.0.4 lets attackers run code via URL

CVE-2008-2836 · published 18 years ago
Summary

The send_reminders.php page in WebCalendar version 1.0.4 can be tricked into loading a file from any web address. An attacker who supplies a crafted URL can cause the server to execute their own PHP code, potentially taking control of the system. Apply the vendor's security update or disable the vulnerable script until a patch is installed.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
k5n webcalendar 1.0.4
cpe:2.3:a:k5n:webcalendar:1.0.4:*:*:*:*:*:*:*
Original advisory text
PHP remote file inclusion vulnerability in send_reminders.php in WebCalendar 1.0.4 allows remote attackers to execute arbitrary PHP code via a URL in the includedir parameter and a 0 value for the ...
PHP remote file inclusion vulnerability in send_reminders.php in WebCalendar 1.0.4 allows remote attackers to execute arbitrary PHP code via a URL in the includedir parameter and a 0 value for the noSet parameter, a different vector than CVE-2007-1483.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
7.5 High
Exploitation
3% chance of attack within 30 days
Type
CWE-94Code Injection
Timeline
Published24 Jun 2008
Updated31 Oct 2026
First seen29 Sep 2026
Sources
CVE-2008-2836 · NVD
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