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CVE-2026-46364

CRITICAL
9.8
CVSS 3.1
Description
phpMyFAQ before 4.1.2 contains an unauthenticated SQL injection vulnerability in BuiltinCaptcha::garbageCollector() and BuiltinCaptcha::saveCaptcha() methods that interpolate unsanitized User-Agent headers into DELETE and INSERT queries. Unauthenticated attackers can exploit the public GET /api/captcha endpoint by crafting malicious User-Agent headers to perform time-based blind SQL injection, extracting sensitive data including user credentials, admin tokens, and SMTP credentials from the database.

Metadata

CVE ID
CVE-2026-46364
State
PUBLISHED
Assigner
VulnCheck
Reserved
2026-05-13 19:40 UTC
Published
2026-05-15 18:36 UTC
Last updated
2026-05-28 14:15 UTC
Primary CWE
CWE-89
Improper Neutralization of Special Elements used in an SQL C…
Vendor / Product
thorsten / phpmyfaq
Sources
cve.org  ·  NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC — CISA Coordinator
Exploitation
none
Automatable
yes
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
thorsten phpmyfaq — 0 < 4.1.2, 4.1.2
Weakness (CWE)
CWESourceDescription
CWE-89 cna Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CVSS scores (2)
ScoreSeverityVersionSourceVector
9.8 CRITICAL 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3 CRITICAL 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References (3)
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