What’s Vulnerable › Vulnerabilities

CVE-2026-109573: phpMyFAQ before 4.1.9 SQL Injection via api/autocomplete Search Endpoint

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-12 · updated 2026-10-13
• Weakness: CWE-89

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.

Affected products

• thorsten phpMyFAQ: before 4.1.9; from 4.2.0-alpha before 4.2.0-beta — fixed in 4.1.9, 4.2.0-beta

How to fix

Upgrade to a fixed version: thorsten phpMyFAQ 4.1.9, 4.2.0-beta. Check the vendor advisory for mitigations.

References

• https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-98p2-cg7p-h385
• https://www.vulncheck.com/advisories/phpmyfaq-before-4.1.9-sql-injection-via-api-autocomplete-search-endpoint
• https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-98p2-cg7p-h385

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