CVE-2021-24741 json
Support Board < 3.3.4 - Multiple Unauthenticated SQL Injections
published 2021-09-20 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11653
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.6%
- EPSS 5.6% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known
Summary
The Support Board WordPress plugin before 3.3.4 does not escape multiple POST parameters (such as status_code, department, user_id, conversation_id, conversation_status_code, and recipient_id) before using them in SQL statements, leading to SQL injections which are exploitable by unauthenticated users.
Patch / fix
- schiocco support_board_-_chat_and_help_desk 3.3.4
Exploit prediction
5.60% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/ccf293ec-7607-412b-b662-5e237b8690ca referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Unknown Support Board
Classification
- Weakness
-
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command
- Technology feeds
References
-
wpscan.com
/vulnerability/ccf293ec-7607-412b-b662-5e237b8690ca
exploit, third-party-advisory
-
board.support
/changes
release-notes, vendor-advisory
- medium.com /%40lijohnjefferson/multiple-sql-injection-unauthenticated-in-support-board-v-3-3-3-3e9b4214a4f9
Sources
- CVE List CVE-2021-24741
- NVD CVE-2021-24741
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.