Event Calendar < 1.1.51 - Reflected Cross-Site Scripting
Priority LOW 29CWE-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 EventCalendar WordPress plugin before 1.1.51 does not escape some user input before outputting it back in attributes, leading to Reflected Cross-SIte Scripting issues
Why it matters now
EPSS 0.0081 57th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed EventCalendar (Unknown): 1.1.51
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 | EventCalendar | 1.1.51 to before 1.1.51 | 1.1.51 | Patch available | CNA |
- EventCalendar VendorUnknown Affected 1.1.51 to before 1.1.51 Fixed in 1.1.51 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:theeventscalendar:eventcalendar:*:*:*:*:*:wordpress:*:* | before 1.1.51 | Vulnerable | theeventscalendar |
- cpe:2.3:a:theeventscalendar:eventcalendar:*:*:*:*:*:wordpress:*:* Versions before 1.1.51 Vulnerable ·theeventscalendar
Remediation
- Fix · CNA EventCalendar (Unknown) Fixed in 1.1.51
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
EventCalendar 1.1.51
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2021-07303 Event Calendar < 1.1.51 - Subscriber+ Event CreationPriority LOW 20
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25024
- 2026-10-03 Alias added: GHSA-xm26-26vh-5phq
References
More theeventscalendar Eventcalendar vulnerabilities
- TI-2021-07303 Event Calendar < 1.1.51 - Subscriber+ Event Creation CVSS 3.1MEDIUM 4.3
Sources
- CVE-2021-25024 · CVE Program
- CVE-2021-25024 · NVD
- FIRST EPSS
- GHSA-xm26-26vh-5phq · GitHub Advisory Database · CC BY 4.0
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