SQL Injection in Thebradleysanders Iotsmarthome
CVE-2026-71231
IOTSmartHome's gui/login.php checkCookie function builds an authentication query as SELECT * FROM users WHERE ID='<decoded lastLogin cookie>' after base64-decoding the client-supplied lastLogin cookie via safe_decode, which performs URL-safe base64 decoding with no sanitization of the decoded value before it is concatenated into the SQL string.
Vulnerability class: SQL Injection
EPSS: 0.004 (29.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Thebradleysanders Iotsmarthome — versions 0
Weakness classification (CWE)
References
- 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (third-party-advisory)
Frequently asked questions
- What is CVE-2026-71231?
- CVE-2026-71231 is a critical-severity vulnerability in Thebradleysanders Iotsmarthome, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-08-05.
- How severe is CVE-2026-71231?
- Critical severity. CVSS v3 base score is 9.8 out of 10.