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eZ Platform Prevent accepting app.php in URL in Platform.sh

GHSA-qhjc-hg94-245v

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (ezsystems/ezplatform 2.5.4, 1.13.5.1, 1.7.9.1), 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

  • Packagist ezsystems/ezplatform

    Affected
    >= 2.5.0, < 2.5.4>= 1.13.0, < 1.13.5.1>= 1.7.0, < 1.7.9.1
    Fixed in
    2.5.4, 1.7.9.1, 1.13.5.1

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
not scored
EPSS
No dated EPSS signal available.
Source description

As published by the source; long descriptions are shortened.

The recommended rewrite rules in eZ Platform prevent users from including the front-controller script (normally "app.php") in URLs. This prevents certain vulnerabilities related to caching. However, this is not possible when using eZ Platform Cloud (i.e. running eZ Platform on the Platform.sh cloud service), nor can it be done within the .platform.app.yaml configuration file. Therefore we need to reject such requests in the application itself. This advisory adds the prevention within the front controller script itself. If you use eZ Platform Cloud / Platform.sh we recommend that you install this security update as soon as possible. It is distributed via Composer as ezsystems/ezplatform 1.7.9.1, and 1.13.5.1, and 2.5.4. This is the commit: https://github.com/ezsystems/ezplatform/commit/34ce86722b36a172e587068fe64a84faa7320cc2

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

    Published from ghsa record GHSA-qhjc-hg94-245v

Agent brief

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# Patch Next advisory brief: GHSA-qhjc-hg94-245v

Advisory: eZ Platform Prevent accepting app.php in URL in Platform.sh
IDs: GHSA-qhjc-hg94-245v
Record: https://patchnext.com/advisories/ghsa-qhjc-hg94-245v (revision 1, source checked 26 Oct 2026, 14:24 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Unrated
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: ezsystems/ezplatform 2.5.4, 1.13.5.1, 1.7.9.1. A vendor fix does not mean a deployment is fixed.

## Affected components
- Packagist ezsystems/ezplatform: affected >= 2.5.0, < 2.5.4; >= 1.13.0, < 1.13.5.1; >= 1.7.0, < 1.7.9.1; fixed in 2.5.4, 1.7.9.1, 1.13.5.1

## Suggested inspection (read-only)
- Packagist ezsystems/ezplatform: 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 ezsystems/ezplatform.
- 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-qhjc-hg94-245v (GitHub-reviewed advisory GHSA-qhjc-hg94-245v lists affected ranges: Packagist ezsystems/ezplatform >=2.5.0 =1.13.0 =1.7.0 <1.7.9.1)

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