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CVE-2026-56738
phpMyFAQ is an open source FAQ web application. The StopWords::add() method inversions prior to 4.1.6 builds a SQL INSERT statement using sprintf() and inserts the user-supplied stop word value directly into the query string without calling the application's database escaping function on it. A sibling method, StopWords::update(), which modifies an existing stop word, correctly escapes the same kind of input. The omission is isolated to the add() (insert) code path. An authenticated administrator who can reach the stop-word management feature can submit a crafted value as the "word" parameter that breaks out of the SQL string literal and injects arbitrary SQL, including statements to drop tables, exfiltrate data, or modify other rows in the database. Version 4.1.6 fixes the issue.
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The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs high-level or administrative privileges. No user interaction is needed for the attacker to exploit this vulnerability.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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