Description

WordPress Plugin Modern Events Calendar Lite is prone to a vulnerability that lets attackers upload arbitrary files because the application fails to properly verify user-supplied input. An attacker can exploit this vulnerability to upload arbitrary code and run it in the context of the webserver process. This may facilitate unauthorized access or privilege escalation; other attacks are also possible. WordPress Plugin Modern Events Calendar Lite version 7.11.0 is vulnerable; prior versions may also be affected.

Remediation

Update to plugin version 7.12.0 or latest

References

https://www.wordfence.com/blog/2024/07/3094-bounty-awarded-and-150000-wordpress-sites-protected-against-arbitrary-file-upload-vulnerability-patched-in-modern-events-calendar-wordpress-plugin/

https://mec.webnus.net/change-log/

https://wordpress.org/plugins/modern-events-calendar-lite/#description

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Severity

High

Classification

CVE-2024-5441 CWE-434 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Tags

Missing Update Unauthenticated File Upload