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CVE-2026-34973— phpMyFAQ has a LIKE Wildcard Injection in Search.php — Unescaped % and _ Metacharacters Enable Broad Content Disclosure

Quick assessment

Affected
thorsten phpMyFAQ
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

phpMyFAQ是Thorsten Rinne个人开发者的一个多语言、完全由数据库驱动的常见问题解答系统。 phpMyFAQ 4.1.1之前版本存在安全漏洞，该漏洞源于搜索查询中未转义SQL LIKE通配符，可能导致信息泄露。

AI Predicted 7.5 Difficulty: Easy EPSS 0.39% · P31
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I. Basic Information for CVE-2026-34973

Vulnerability Information
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Vulnerability Title
phpMyFAQ has a LIKE Wildcard Injection in Search.php — Unescaped % and _ Metacharacters Enable Broad Content Disclosure
Source: CVE Program / CVE List V5
Vulnerability Description
phpMyFAQ is an open source FAQ web application. Prior to version 4.1.1, the searchCustomPages() method in phpmyfaq/src/phpMyFAQ/Search.php uses real_escape_string() (via escape()) to sanitize the search term before embedding it in LIKE clauses. However, real_escape_string() does not escape SQL LIKE metacharacters % (match any sequence) and _ (match any single character). An unauthenticated attacker can inject these wildcards into search queries, causing them to match unintended records — including content that was not meant to be surfaced — resulting in information disclosure. This issue has been patched in version 4.1.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
数据查询逻辑中特殊元素的不当中和
Source: CVE Program / CVE List V5
Vulnerability Title
phpMyFAQ 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
phpMyFAQ是Thorsten Rinne个人开发者的一个多语言、完全由数据库驱动的常见问题解答系统。 phpMyFAQ 4.1.1之前版本存在安全漏洞，该漏洞源于搜索查询中未转义SQL LIKE通配符，可能导致信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
thorsten phpMyFAQ < 4.1.1 -

II. Public POCs for CVE-2026-34973

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III. Intelligence Information for CVE-2026-34973

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Vendor Advisories for CVE-2026-34973 (1)

Same Patch Batch · thorsten · 2026-04-02 · 5 CVEs total

CVE-2026-34728 8.7 HIGH phpMyFAQ: Path Traversal - Arbitrary File Deletion in MediaBrowserController
CVE-2026-34729 6.1 MEDIUM phpMyFAQ: Stored XSS via Regex Bypass in Filter::removeAttributes()
CVE-2026-34974 5.4 MEDIUM phpMyFAQ: SVG Sanitizer Bypass via HTML Entity Encoding leads to Stored XSS and Privilege
CVE-2026-32629 phpMyFAQ: Stored XSS via Unsanitized Email Field in Admin FAQ Editor

IV. Related Vulnerabilities

Same product: phpMyFAQ
Same vendor: thorsten
Same weakness: CWE-943

V. Comments for CVE-2026-34973

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