CVE-2020-18662 json
SQL Injection vulnerability in gnuboard5 <=v5.3.2.8 via the table_prefix parameter in install_db.php.
published 2021-06-24 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-10586
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.4%
- EPSS 5.4% chance of exploitation in 30 days, percentile 92%
- public exploits
- 1
- Exploit-DB
Summary
SQL Injection vulnerability in gnuboard5 <=v5.3.2.8 via the table_prefix parameter in install_db.php.
Timeline
- Published
- First public exploit (EDB-52167)
Exploit prediction
5.38% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-52167 Gnuboard5 5.3.2.8 - SQL Injection webapps, 2025-04-11
- github.com https://github.com/gnuboard/gnuboard5/issues/43 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 |
Classification
- Weakness
-
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command
References
-
github.com
/gnuboard/gnuboard5/issues/43
exploit, technical-description
-
seebug.org
/vuldb/ssvid-97927
third-party-advisory
-
github.com
/LoRexxar/CVE_Request/tree/master/gnuboard5%20mul%20vuls%20before%20v5.3.2.8#sql-injection-in-install_dbphp
third-party-advisory
Sources
- CVE List CVE-2020-18662
- NVD CVE-2020-18662
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