Vulnerability Details CVE-2021-42078
PHP Event Calendar through 2021-11-04 allows persistent cross-site scripting (XSS), as demonstrated by the /server/ajax/events_manager.php title parameter. This can be exploited by an adversary in multiple ways, e.g., to perform actions on the page in the context of other users, or to deface the site.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 52.8%
CVSS Severity
CVSS v3 Score 6.1
CVSS v2 Score 4.3
References
Products affected by CVE-2021-42078
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cpe:2.3:a:php_event_calendar_project:php_event_calendar:2021-11-04