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TI-2021-06438 Aliases CVE-2021-24146GHSA-2qh8-fp5p-2xx2

Modern Events Calendar Lite < 5.16.5 - Unauthenticated Events Export

Priority MEDIUM 57CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-284.

Summary

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.

Why it matters now

EPSS 0.31043 98th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed Modern Events Calendar Lite (Unknown): 5.16.5

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownModern Events Calendar Lite5.16.5 to before 5.16.55.16.5Patch availableCNA
  • Modern Events Calendar Lite VendorUnknown Affected 5.16.5 to before 5.16.5 Fixed in 5.16.5 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:webnus:modern_events_calendar_lite:*:*:*:*:*:wordpress:*:*before 5.16.5VulnerableWebnus
  • cpe:2.3:a:webnus:modern_events_calendar_lite:*:*:*:*:*:wordpress:*:* Versions before 5.16.5 Vulnerable ·Webnus

Remediation

  • Fix · CNA Modern Events Calendar Lite (Unknown) Fixed in 5.16.5

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Modern Events Calendar Lite 5.16.5

    3 records Highest priority Priority HIGH 1 HIGH, 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2021-06437 Modern Events Calendar Lite < 5.16.5 - Authenticated Arbitrary File Upload leading to RCEPriority HIGH 74
    • TI-2021-06439 Modern Events Calendar Lite < 5.16.5 - Authenticated Stored Cross-Site Scripting (XSS)Priority LOW 26

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-24146
  2. 2026-10-03 Alias added: GHSA-2qh8-fp5p-2xx2

References

  • TI-2021-07225 Modern Events Calendar < 6.1.5 - Unauthenticated Blind SQL Injection CVSS 3.1CRITICAL 9.8
  • TI-2021-06437 Modern Events Calendar Lite < 5.16.5 - Authenticated Arbitrary File Upload leading to RCE CVSS 3.1HIGH 7.2
  • TI-2022-00289 Modern Events Calendar Lite < 6.4.0 - Contributor+ Stored Cross Site Scripting CVSS 3.1MEDIUM 5.4
  • TI-2023-01324 Modern Events Calendar lite < 6.5.2 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8
  • TI-2024-05057 Modern Events Calendar <= 7.11.0 - Authenticated (Subscriber+) Arbitrary File Upload CVSS 3.1HIGH 8.8
  • TI-2021-03314 Modern Events Calendar Lite <= 6.3.0 - Unauthenticated SQL Injection CVSS 3.1CRITICAL 9.8
See all 17 →

Sources