Registrations for the Events Calendar < 2.7.6 - Unauthenticated SQL Injection
Priority MEDIUM 52CWE-89Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- SQL injection
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-89.
Summary
The Registrations for the Events Calendar WordPress plugin before 2.7.6 does not sanitise and escape the event_id in the rtec_send_unregister_link AJAX action (available to both unauthenticated and authenticated users) before using it in a SQL statement, leading to an unauthenticated SQL injection.
Why it matters now
EPSS 0.07303 94th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Registrations for the Events Calendar – Event Registration Plugin (Unknown): 2.7.6
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 | Registrations for the Events Calendar – Event Registration Plugin | 2.7.6 to before 2.7.6 | 2.7.6 | Patch available | CNA |
- Registrations for the Events Calendar – Event Registration Plugin VendorUnknown Affected 2.7.6 to before 2.7.6 Fixed in 2.7.6 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:roundupwp:registrations_for_the_events_calendar:*:*:*:*:*:wordpress:*:* | before 2.7.6 | Vulnerable | Roundup WP |
- cpe:2.3:a:roundupwp:registrations_for_the_events_calendar:*:*:*:*:*:wordpress:*:* Versions before 2.7.6 Vulnerable ·Roundup WP
Remediation
- Fix · CNA Registrations for the Events Calendar – Event Registration Plugin (Unknown) Fixed in 2.7.6
Timeline
- 2026-10-02 Threatist record created from CVE-2021-24943
- 2026-10-03 Alias added: GHSA-756m-jgjv-8g68
References
More Roundup WP Registrations For The Events Calendar vulnerabilities
- TI-2024-07401 Registrations for The Events Calendar < 2.12.4 - Unauthenticated Stored XSS CVSS 3.1CRITICAL 9.6
- TI-2024-09918 Registrations for The Events Calendar < 2.13.4 - Admin+ Stored XSS CVSS 3.1MEDIUM 6.1
- TI-2024-26562 WordPress Registrations for the Events Calendar plugin <= 2.12.2 - SQL Injection vulnerability CVSS 3.1HIGH 8.8
- TI-2021-07158 Registrations for The Events Calendar < 2.7.5 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1
- TI-2021-07361 Registrations for the Events Calendar < 2.7.10 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1
Sources
- CVE-2021-24943 · CVE Program
- CVE-2021-24943 · NVD
- FIRST EPSS
- GHSA-756m-jgjv-8g68 · GitHub Advisory Database · CC BY 4.0
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