https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2011-3780.htmlhttps://patchthecve.com/cve/CVE-2011-3780.htmlTue, 16 Jun 2026 23:33:54 +0000MEDIUM 5.0: PHP iCalendar 2.4 allows remote attackers to obtain sensitive information via a direct request to a .php file, which reveals the installation path in an error message, as demonstrated by rss/rss_common.php and certain other files.https://patchthecve.com/cve/CVE-2008-5968.htmlhttps://patchthecve.com/cve/CVE-2008-5968.htmlTue, 16 Jun 2026 23:01:19 +0000HIGH 7.5: Directory traversal vulnerability in print.php in PHP iCalendar 2.24 and earlier allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the cookie_language parameter in a phpicalendar_* cookie, a different vector than CVE-2006-1292.https://patchthecve.com/cve/CVE-2008-5967.htmlhttps://patchthecve.com/cve/CVE-2008-5967.htmlTue, 16 Jun 2026 23:01:19 +0000HIGH 7.5: admin/index.php in PHP iCalendar 2.3.4, 2.24, and earlier does not require administrative authentication for an addupdate action, which allows remote attackers to upload a calendar (aka .ics) file with arbitrary content to the calendars/ directory outside the web root.https://patchthecve.com/cve/CVE-2008-5840.htmlhttps://patchthecve.com/cve/CVE-2008-5840.htmlTue, 16 Jun 2026 23:01:04 +0000HIGH 7.5: PHP iCalendar 2.24 and earlier allows remote attackers to bypass authentication by setting the phpicalendar and phpicalendar_login cookies to 1.