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CRITICAL severity

CVE-2018-17566 — framework

CRITICAL

CVE-2018-17566 is a critical-severity (CVSS 9.8) SQL Injection vulnerability in topthink/framework. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

ThinkPHP SQL injection vulnerability

Also known asGHSA-75fm-52mm-q5rm
Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
1 known
Exploitation data as of Nov 4, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.5%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs75th percentile — riskier than 75% of all scored CVEsHighest risk
0.00%0.68%1.36%2.04%0.3%1.5%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
🐘topthink/framework

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

In ThinkPHP 5.1.24, the inner function delete can be used for SQL injection when its WHERE condition's value can be controlled by a user's request.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
🐘Packagisttopthink/frameworkall versionsNo fix

Affected Products

1 product · 1 configurations
Application
thinkphpthinkphp
1 version
5.1.24
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

In ThinkPHP 5.1.24, the inner function delete can be used for SQL inject…

github.comNVDNov 2018

Detection & mitigation playbook

Open-source dependency

  1. Detect

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

  2. Remediation status

    The records we use list no patched version of topthink/framework for CVE-2018-17566. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    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.

Frequently Asked Questions

In ThinkPHP 5.1.24, the inner function delete can be used for SQL injection when its WHERE condition's value can be controlled by a user's request.
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CVE-2018-17566: framework SQL Injection (Critical 9.8)