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MEDIUM severity

phpMyAdmin Cross-site scripting (XSS) vulnerabilityGHSA-mwm8-36c5-j5cf

MEDIUMFix: phpmyadmin/phpmyadmin@418aeea

GHSA-mwm8-36c5-j5cf is a medium-severity (CVSS 6.1) Cross-site Scripting (XSS) vulnerability in phpmyadmin/phpmyadmin. A fix is available for phpmyadmin/phpmyadmin — see the affected versions and patch details below.

Also known asCVE-2016-5731
Published
Updated
Affected
3 pkgs
Patched
3 / 3
Exploits
None indexed
Exploitation data as of Nov 4, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.8%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs78th percentile — riskier than 78% of all scored CVEsHighest risk
0.00%0.75%1.50%2.25%0.4%1.8%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

3 pkgs affected
🐘phpmyadmin/phpmyadmin🐘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

Cross-site scripting (XSS) vulnerability in examples/openid.php in phpMyAdmin 4.0.x before 4.0.10.16, 4.4.x before 4.4.15.7, and 4.6.x before 4.6.3 allows remote attackers to inject arbitrary web script or HTML via vectors involving an OpenID error message.

Affected Packages

3 total 3 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistphpmyadmin/phpmyadmin≥ 4.0&&< 4.0.10.164.0.10.16composer require phpmyadmin/phpmyadmin:^4.0.10.16
🐘Packagistphpmyadmin/phpmyadmin≥ 4.4&&< 4.4.15.74.4.15.7composer require phpmyadmin/phpmyadmin:^4.4.15.7
🐘Packagistphpmyadmin/phpmyadmin≥ 4.6&&< 4.6.34.6.3composer require phpmyadmin/phpmyadmin:^4.6.3

Affected Products

3 products · 62 configurations
OS
leapopensuse
1 version
42.1
OS
opensuseopensuse
2 versions
13.113.2
Application
phpmyadminphpmyadmin
56 versions
4.0.04.0.14.0.24.0.34.0.44.0.4.14.0.4.24.0.54.0.64.0.74.0.84.0.9

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 4.0.10.16 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-mwm8-36c5-j5cf is resolved across your whole dependency graph.

  3. Workarounds

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

Cross-site scripting (XSS) vulnerability in examples/openid.php in phpMyAdmin 4.0.x before 4.0.10.16, 4.4.x before 4.4.15.7, and 4.6.x before 4.6.3 allows remote attackers to inject arbitrary web script or HTML via vectors involving an OpenID error message.
O3 Security · Impact-Aware SCA

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phpMyAdmin Cross-site scripting (XSS) vulnerability