CVE-2021-24146 — Modern Events Calendar Lite < 5.16.5 - Unauthenticated Events Export

Description

Lack of authorisation checks in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not properly restrict access to the export files, allowing unauthenticated users to exports all events data in CSV or XML format for example.

Affected products

Vendor	Product	Affected	Fixed
—	Modern Events Calendar Lite	5.16.5 – < 5.16.5	5.16.5

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Exploit-DB 1

Wordpress Plugin Modern Events Calendar 5.16.2 - Event export (Unauthenticated) EDB-50084 · webapps · Jul 2, 2021

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Automated scanner template

A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.

WordPress Modern Events Calendar Lite <5.16.5 - Sensitive Information Disclosure http/cves/2021/CVE-2021-24146.yaml

Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.