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CRITICAL severity

CVE-2016-7405 — adodb-php

CRITICALFix: ADOdb/ADOdb@bd9eca9

CVE-2016-7405 is a critical-severity (CVSS 9.8) SQL Injection vulnerability in adodb/adodb-php. A fix is available for adodb/adodb-php — see the affected versions and patch details below.

ADOdb Library SQL Injection

Also known asGHSA-3fj4-q72x-x2g9
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 10, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
3.0%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs87th percentile — riskier than 87% of all scored CVEsHighest risk
2.48%2.86%3.23%3.60%3.1%3.0%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐘adodb/adodb-php

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

The qstr method in the PDO driver in the ADOdb Library for PHP before 5.x before 5.20.7 might allow remote attackers to conduct SQL injection attacks via vectors related to incorrect quoting.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistadodb/adodb-php≥ 5.0&&< 5.20.75.20.7composer require adodb/adodb-php:^5.20.7

Affected Products

2 products · 35 configurations
Application
adodbadodb_project
27 versions
5.005.015.025.035.045.055.065.075.085.095.105.11
OS
fedorafedoraproject
1 version
25

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for adodb/adodb-php, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update adodb/adodb-php to 5.20.7 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2016-7405 is resolved across your whole dependency graph.

  3. Workarounds

    Until you can upgrade, make sure every query built from user input uses parameterised statements or a prepared-statement API rather than string concatenation, and reduce the database account's privileges so an injected query cannot read or alter data beyond what the feature needs.

Fixing This On Your OS

If you run this on a Linux distribution, patch through your package manager against the distro's own security advisory below — it tracks the exact backported fix for your release, which can ship on a different timeline (and sometimes a different severity) than the upstream project.

UbuntuCRITICAL
USN-6825-1Ubuntu

Frequently Asked Questions

The qstr method in the PDO driver in the ADOdb Library for PHP before 5.x before 5.20.7 might allow remote attackers to conduct SQL injection attacks via vectors related to incorrect quoting.
O3 Security · Impact-Aware SCA

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CVE-2016-7405: adodb-php SQL Injection — Fixed in 5.20.7