CVE-2026-109573

High

Description

phpMyFAQ before 4.1.9 contains an SQL injection vulnerability in PdoMysql::escape(), which escapes single quotes with backslashes that are treated literally when MySQL or MariaDB runs in NO_BACKSLASH_ESCAPES mode. Unauthenticated attackers can send a Unicode right single quotation mark in the search parameter of api/autocomplete, which is normalized to an ASCII quote, to read credentials and configuration secrets, modify records, or drop tables.

SeverityHigh

CVSS8.1

Exploit probability—

ProductphpMyFAQ

PublishedOct 12, 2026

First seenOct 12, 2026

Weakness typeCWE-89SQL injection

How to fix

Update

thorsten phpMyFAQ4.1.9, 4.2.0-beta or later

Vendor advisories

github.com/thorsten/phpMyFAQ/security/advisories/GHSA-98p2-cg7p-h385

Affected products

Product	Affected versions	Fixed in
thorsten phpMyFAQ	v < 4.1.9, 4.2.0-alpha ≤ v < 4.2.0-beta	4.1.9, 4.2.0-beta

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