CVE-2026-66738
SPIP < 4.4.18 Code Injection via Navigation Endpoint on SQLite
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
SPIP before 4.4.18 contains a code injection vulnerability in SQLite-backed installations. The navigation menu endpoint improperly handles array-typed user input, which bypasses input sanitization and allows the value to break out of an internal quoted string context when evaluated as PHP. An authenticated attacker with at minimum editor (redacteur) privileges can submit a single crafted GET request to /ecrire/?exec=navigation to execute arbitrary OS commands in the web server process. MySQL-backed installations are not affected.
| CWE | CWE-94 |
| Vendor | spip |
| Product | spip |
| Published | Aug 10, 2026 |
| Last Updated | Aug 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
SPIP / SPIP
0 < 4.4.18
References
Credits
Benoit Hua of Fenrisk (www.fenrisk.com) VulnCheck