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phpMyFAQ CVE-2026-76205

| EUVDEUVD-2026-62446 HIGH
SQL Injection (CWE-89)
2026-08-19 VulnCheck GHSA-gvqv-x9gq-w33g
SQLi Phpmyfaq
8.6
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
8.6 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
8.1 HIGH

Network-reachable via HTTP (AV:N), low complexity craft, requires authenticated glossary-edit account (PR:L), no scope change, no availability impact.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

3
Patch available
Aug 19, 2026 - 15:17 EUVD
Analysis Generated
Aug 19, 2026 - 14:57 vuln.today
CVE Published
Aug 19, 2026 - 14:01 cve.org
HIGH 8.6

DescriptionCVE.org

phpMyFAQ before 4.1.7 contains a SQL injection vulnerability in the glossary create and update endpoints caused by truncating an escaped string before embedding it in a SQL literal. Authenticated users with glossary add or edit permissions can craft a payload with a dangling backslash to escape the closing quote and inject arbitrary SQL commands to read sensitive database information.

AnalysisAI

SQL injection in phpMyFAQ before 4.1.7 allows authenticated low-privileged users to exfiltrate and manipulate database contents via the glossary create and update endpoints. The flaw stems from a string truncation defect that breaks SQL escaping: when an escaped string is truncated before embedding in a SQL literal, a trailing backslash can dangle, escaping the closing quote and allowing arbitrary SQL injection. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Obtain account with glossary permissions
Delivery
Craft input with trailing backslash at truncation boundary
Exploit
Submit payload to glossary create or update endpoint
Execution
Dangling backslash escapes SQL quote delimiter
Persist
Inject UNION SELECT or stacked SQL commands
Impact
Exfiltrate sensitive database rows
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Vulnerability AssessmentAI

Exploitation Exploitation requires an authenticated session with an account that holds glossary 'add' or 'edit' permissions in phpMyFAQ. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N) scores 8.6, reflecting low attack complexity and high data impact despite requiring low-privilege authentication. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker with a low-privileged account that has glossary add or edit permissions sends a crafted POST request to the glossary create or update endpoint, embedding a value designed to be truncated such that a backslash appears at the end of the escaped string. The dangling backslash escapes the closing SQL quote, allowing the attacker to append arbitrary SQL clauses - for example, a UNION SELECT to extract password hashes, API keys, or other sensitive rows from the database. …
Remediation Upgrade phpMyFAQ to version 4.1.7 or later, which resolves the truncation-before-escaping defect in the glossary endpoints. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: Identify all phpMyFAQ deployments and determine current version levels; upgrade to version 4.1.7 or later if available, or deploy compensating controls below if upgrade cannot be completed immediately. …

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CVE-2026-76205 vulnerability details – vuln.today
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