Read the docs
TI-2021-06785 Aliases CVE-2021-24498GHSA-556c-5rxg-4747

Calendar Event Multi View < 1.4.01 - Unauthenticated Reflected Cross-Site Scripting (XSS)

Priority LOW 33CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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 Calendar Event Multi View WordPress plugin before 1.4.01 does not sanitise or escape the 'start' and 'end' GET parameters before outputting them in the page (via php/edit.php), leading to a reflected Cross-Site Scripting issue.

Why it matters now

EPSS 0.03536 89th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Calendar Event Multi View (Unknown): 1.4.01

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownCalendar Event Multi View1.4.01 to before 1.4.011.4.01Patch availableCNA
  • Calendar Event Multi View VendorUnknown Affected 1.4.01 to before 1.4.01 Fixed in 1.4.01 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:dwbooster:calendar_event_multi_view:*:*:*:*:*:wordpress:*:*before 1.4.01Vulnerabledwbooster
  • cpe:2.3:a:dwbooster:calendar_event_multi_view:*:*:*:*:*:wordpress:*:* Versions before 1.4.01 Vulnerable ·dwbooster

Remediation

  • Fix · CNA Calendar Event Multi View (Unknown) Fixed in 1.4.01

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-24498
  2. 2026-10-03 Alias added: GHSA-556c-5rxg-4747

References

  • TI-2022-02639 Calendar Event Multi View < 1.4.07 - Unauthenticated Arbitrary Event Creation to Stored XSS CVSS 3.1MEDIUM 4.3

Sources