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Low, CVSS 2.6

phpMyAdmin vulnerable to Cross-site Scripting

CVE-2011-4634GHSA-9j9h-cpgc-8356

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (phpmyadmin/phpmyadmin 3.4.8), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS 4.0
2.6 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:U · score source
EPSS
  • CVE-2011-4634: 2.13% estimated exploitation activity in the next 30 days; percentile 81.98 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

Multiple cross-site scripting (XSS) vulnerabilities in phpMyAdmin 3.4.x before 3.4.8 allow remote attackers to inject arbitrary web script or HTML via (1) a crafted database name, related to the Database Synchronize panel; (2) a crafted database name, related to the Database rename panel; (3) a crafted SQL query, related to the table overview panel; (4) a crafted SQL query, related to the view creation dialog; (5) a crafted column type, related to the table search dialog; or (6) a crafted column type, related to the create index dialog.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-9j9h-cpgc-8356

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2011-4634

Advisory: phpMyAdmin vulnerable to Cross-site Scripting
IDs: CVE-2011-4634, GHSA-9j9h-cpgc-8356
Record: https://patchnext.com/advisories/cve-2011-4634 (revision 1, source checked 26 Oct 2026, 14:30 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Low (CVSS 2.6)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: phpmyadmin/phpmyadmin 3.4.8. A vendor fix does not mean a deployment is fixed.

## Affected components
- Packagist phpmyadmin/phpmyadmin: affected >= 3.4.0, < 3.4.8; fixed in 3.4.8

## Suggested inspection (read-only)
- Packagist phpmyadmin/phpmyadmin: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on phpmyadmin/phpmyadmin.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-9j9h-cpgc-8356 (GitHub-reviewed advisory GHSA-9j9h-cpgc-8356 lists affected ranges: Packagist phpmyadmin/phpmyadmin >=3.4.0 <3.4.8)

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