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TI-2021-07008 Aliases CVE-2021-24726GHSA-58j9-3frf-c53r

WP Simple Booking Calendar <= 2.0.6 (before 07/12/2021) - Authenticated SQL Injection

Priority MEDIUM 41CWE-89Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
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 WP Simple Booking Calendar WordPress plugin before 2.0.6 did not escape, validate or sanitise the orderby parameter in its Search Calendars action, before using it in a SQL statement, leading to an authenticated SQL injection issue

Why it matters now

EPSS 0.01567 75th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed WP Simple Booking Calendar (Unknown): 2.0.6

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownWP Simple Booking Calendar2.0.6 to before 2.0.62.0.6Patch availableCNA
  • WP Simple Booking Calendar VendorUnknown Affected 2.0.6 to before 2.0.6 Fixed in 2.0.6 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wpsimplebookingcalendar:wp_simple_booking_calendar:*:*:*:*:*:wordpress:*:*before 2.0.6VulnerableWpsimplebookingcalendar
  • cpe:2.3:a:wpsimplebookingcalendar:wp_simple_booking_calendar:*:*:*:*:*:wordpress:*:* Versions before 2.0.6 Vulnerable ·Wpsimplebookingcalendar

Remediation

  • Fix · CNA WP Simple Booking Calendar (Unknown) Fixed in 2.0.6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-24726
  2. 2026-10-03 Alias added: GHSA-58j9-3frf-c53r

References

  • TI-2024-08036 WP Simple Booking Calendar <= 2.0.10 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1
  • TI-2023-28177 WordPress WP Simple Booking Calendar plugin <= 2.0.8.4 - Cross Site Request Forgery (CSRF) vulnerability CVSS 3.1MEDIUM 5.3

Sources