What’s Vulnerable › Vulnerabilities

CVE-2008-5840

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2009-01-05 · updated 2026-06-16
• Weakness: CWE-264

Description

PHP iCalendar 2.24 and earlier allows remote attackers to bypass authentication by setting the phpicalendar and phpicalendar_login cookies to 1.

Affected products

• Phpicalendar: through 2.24; 0.7, 0.8, 0.9, 0.9.5, 1.0, 1.1 (+9)
• Phpicalendar2.0: alpha_test

References

• http://securityreason.com/securityalert/4865
• http://www.securityfocus.com/bid/31320
• https://exchange.xforce.ibmcloud.com/vulnerabilities/45338
• https://www.exploit-db.com/exploits/6526
• http://securityreason.com/securityalert/4865
• http://www.securityfocus.com/bid/31320
• https://exchange.xforce.ibmcloud.com/vulnerabilities/45338
• https://www.exploit-db.com/exploits/6526

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