Simple Events Calendar <= 1.4.0 - Authenticated (admin+) SQL Injection
Priority LOW 35CWE-89Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- SQL injection
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-89.
Summary
The Simple Events Calendar WordPress plugin through 1.4.0 does not sanitise, validate or escape the event_id POST parameter before using it in a SQL statement when deleting events, leading to an authenticated SQL injection issue
Why it matters now
EPSS 0.01578 75th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 | Simple Events Calendar | 1.4.0 – 1.4.0 | — | No fix listed | CNA |
- Simple Events Calendar VendorUnknown Affected 1.4.0 – 1.4.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:simple_events_calendar_project:simple_events_calendar:*:*:*:*:*:wordpress:*:* | up to 1.4.0 | Vulnerable | Simple Events Calendar Project |
- cpe:2.3:a:simple_events_calendar_project:simple_events_calendar:*:*:*:*:*:wordpress:*:* Versions up to 1.4.0 Vulnerable ·Simple Events Calendar Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-24552
- 2026-10-03 Alias added: GHSA-9cm5-927x-hwm7
References
Sources
- CVE-2021-24552 · CVE Program
- CVE-2021-24552 · NVD
- FIRST EPSS
- GHSA-9cm5-927x-hwm7 · GitHub Advisory Database · CC BY 4.0
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