CVE-2021-24726 json
WP Simple Booking Calendar <= 2.0.6 (before 07/12/2021) - Authenticated SQL Injection
published 2021-09-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11638
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
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
Patch / fix
- wpsimplebookingcalendar wp_simple_booking_calendar 2.0.6
Exploit prediction
1.57% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/f85b6033-d7c1-45b7-b3b0-8967f7373bb8 referenced PoC, tagged "exploit" by a source, unverified
- trustwave.com https://www.trustwave.com/en-us/resources/security-resources/security-advisories/?fid=29176 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- Unknown WP Simple Booking Calendar
Classification
- Weakness
-
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command
- Technology feeds
References
-
wpscan.com
/vulnerability/f85b6033-d7c1-45b7-b3b0-8967f7373bb8
exploit, third-party-advisory
-
trustwave.com
/en-us/resources/security-resources/security-advisories/?fid=29176
exploit, third-party-advisory
Sources
- CVE List CVE-2021-24726
- NVD CVE-2021-24726
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