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Not in CISA KEV
HIGH severity

CVE-2020-5504 — phpmyadmin

HIGH

CVE-2020-5504 is a high-severity (CVSS 8.8) SQL Injection vulnerability in phpmyadmin/phpmyadmin. 2 public exploit or proof-of-concept references are indexed, so weaponization risk is real. A fix is available for phpmyadmin/phpmyadmin — see the affected versions and patch details below.

phpMyAdmin SQL injection in user accounts page

Also known asBIT-phpmyadmin-2020-5504GHSA-fgj8-93xx-f6g6
Published
Updated
Affected
2 pkgs
Patched
2 / 2
Exploits
2 known
Exploitation data as of Nov 4, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
28.0%probability of exploitation in next 30 days
Moderate Risk-10.99%
Lower risk than most CVEs98th percentile — riskier than 98% of all scored CVEsHighest risk
2.13%17.3%32.4%47.6%22.4%28.0%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

2 pkgs affected
🐘phpmyadmin/phpmyadmin🐘phpmyadmin/phpmyadmin

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 phpMyAdmin 4 before 4.9.4 and 5 before 5.0.1, SQL injection exists in the user accounts page. A malicious user could inject custom SQL in place of their own username when creating queries to this page. An attacker must have a valid MySQL account to access the server.

Affected Packages

2 total 2 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistphpmyadmin/phpmyadmin≥ 4.0.0&&< 4.9.44.9.4composer require phpmyadmin/phpmyadmin:^4.9.4
🐘Packagistphpmyadmin/phpmyadmin≥ 5.0.0&&< 5.0.15.0.1composer require phpmyadmin/phpmyadmin:^5.0.1

Affected Products

3 products · 4 configurations
OS
debian linuxdebian
1 version
8.0
Application
phpmyadminphpmyadmin
≥ 5.0.0 && < 5.0.1
range
OS
suse linux enterprise serversuse
1 version
12
Exploits & PoCs
2

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

EDB-52451webappsphp

phpMyAdmin 5.0.0 - SQL Injection

by CodeSecLab · Dec 3, 2025

Exploit-DB Source

Detection & mitigation playbook

Open-source dependency

  1. Detect

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

  2. Fix

    Update phpmyadmin/phpmyadmin to 4.9.4 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2020-5504 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.

Frequently Asked Questions

In phpMyAdmin 4 before 4.9.4 and 5 before 5.0.1, SQL injection exists in the user accounts page. A malicious user could inject custom SQL in place of their own username when creating queries to this page. An attacker must have a valid MySQL account to access the server.
O3 Security · Impact-Aware SCA

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CVE-2020-5504: phpmyadmin — Fixed in 4.9.4