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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Calendar Event Multi View | 1.4.01 to before 1.4.01 | 1.4.01 | Patch available | CNA |
- Calendar Event Multi View VendorUnknown Affected 1.4.01 to before 1.4.01 Fixed in 1.4.01 Patch available CNA
Remediation
- Fix · CNA Calendar Event Multi View (Unknown) Fixed in 1.4.01
Timeline
- 2026-10-02 Threatist record created from CVE-2021-24498
- 2026-10-03 Alias added: GHSA-556c-5rxg-4747
References
More dwbooster Calendar Event Multi View vulnerabilities
- TI-2022-02639 Calendar Event Multi View < 1.4.07 - Unauthenticated Arbitrary Event Creation to Stored XSS CVSS 3.1MEDIUM 4.3
Sources
- CVE-2021-24498 · CVE Program
- CVE-2021-24498 · NVD
- FIRST EPSS
- GHSA-556c-5rxg-4747 · GitHub Advisory Database · CC BY 4.0
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