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TI-2021-06998 Aliases CVE-2021-24716GHSA-7vhw-7w73-hwxm

Modern Events Calendar Lite < 5.22.3 - Authenticated Stored Cross Site Scripting

Priority LOW 25CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

The Modern Events Calendar Lite WordPress plugin before 5.22.3 does not properly sanitize or escape values set by users with access to adjust settings withing wp-admin.

Why it matters now

EPSS 0.0065 51st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Modern Events Calendar Lite (Unknown): 5.22.3

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownModern Events Calendar Lite5.22.3 to before 5.22.35.22.3Patch availableCNA
  • Modern Events Calendar Lite VendorUnknown Affected 5.22.3 to before 5.22.3 Fixed in 5.22.3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:webnus:modern_events_calendar_lite:*:*:*:*:*:wordpress:*:*before 5.22.3VulnerableWebnus
  • cpe:2.3:a:webnus:modern_events_calendar_lite:*:*:*:*:*:wordpress:*:* Versions before 5.22.3 Vulnerable ·Webnus

Remediation

  • Fix · CNA Modern Events Calendar Lite (Unknown) Fixed in 5.22.3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-24716
  2. 2026-10-03 Alias added: GHSA-7vhw-7w73-hwxm
  3. 2026-10-16 EPSS moved to the 50th–90th percentile

References

Exploit 1

  • 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-2021-06438 Modern Events Calendar Lite < 5.16.5 - Unauthenticated Events Export CVSS 3.1HIGH 7.5
  • 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
See all 17 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences