CVE-2021-42077
CRITICALPHP Event Calendar < 2021-09-03 - SQL Injection via User Manager Username Parameter
Title source: llmDescription
PHP Event Calendar before 2021-09-03 allows SQL injection, as demonstrated by the /server/ajax/user_manager.php username parameter. This can be used to execute SQL statements directly on the database, allowing an adversary in some cases to completely compromise the database system. It can also be used to bypass the login form.
References (2)
Core 2
Core References
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/164777/PHP-Event-Calendar-Lite-Edition-SQL-Injection.html
Exploit, Third Party Advisory x_refsource_misc
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-048.txt
Scores
CVSS v3
9.8
EPSS
0.0243
EPSS Percentile
82.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-89
Status
published
Products (1)
kaysongroup/php_event_calendar
< 2021-09-03
Published
Nov 08, 2021
Tracked Since
Feb 18, 2026