Auth bypass in Webnus Modern Events Calendar Lite
CVE-2021-24146
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.310 (98.2th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.310 · newest: 0.310 · change: 0.000
Affected products
- Webnus Modern Events Calendar Lite
- Modern Events Calendar Lite — versions 5.16.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/c7b1ebd6-3050-4725-9c87-0ea525f8fecc (Exploit, Third Party Advisory)
- packetstormsecurity.com/files/163345/WordPress-Modern-Events-Calendar-5.16.2-In… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-24146?
- CVE-2021-24146 is a high-severity vulnerability in Webnus Modern Events Calendar Lite, classified under Improper Access Control. CVSS score: 7.5/10. Published 2021-03-18.
- How severe is CVE-2021-24146?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-24146 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.