by Kastro
Paper/Archive/CVE-2026-109573

CVE-2026-109573

thorsten phpMyFAQ — phpMyFAQ before 4.1.9 SQL Injection via api/autocomplete Search Endpoint

EPSS 0.3%public exploitCVSS 9.2
critical.is priorityof 100
43
CVSS 9.2 (CNA)9.2 / 10 × 3027.6Not in CISA KEV+300.0EPSS percentile 27.2.272 × 205.4Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
phpMyFAQ< 4.1.94.1.9CNA
phpMyFAQ4.2.0-alpha – < 4.2.0-beta4.2.0-betaCNA

Scores by source

VulnCheck (CNA)9.2CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
VulnCheck (CNA)8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: total

References

exploitgithub.com/thorsten/phpMyFAQ/security/advisories/GHSA-98p2-cg7p-h385writeupvulncheck.com/advisories/phpmyfaq-before-4.1.9-sql-injection-via-api-autocomplete-search-endpoint