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CVE-2026-109573

8.1 · HIGH

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_BACKSLA…

Published Oct 12, 2026CWE-89EPSS 0.34%

Overview

CVE-2026-109573 is a high-severity vulnerability. It was published on October 12, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/thorsten/phpMyFAQ/security/advisories/GHSA-98p2-cg7p-h385Refwww.vulncheck.com/advisories/phpmyfaq-before-4.1.9-sql-injection-via-api-autocomplete-search-endpointGitHubgithub.com/thorsten/phpMyFAQ/security/advisories/GHSA-98p2-cg7p-h385

How CyberStrike helps

Frequently asked questions

What is CVE-2026-109573?

CVE-2026-109573 is a high-severity vulnerability. It was published on October 12, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-109573?

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-109573?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-109573?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-109573 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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