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Smarty arbitrary PHP code execution

CVE-2014-8350GHSA-2pmx-6mm6-6v72

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (smarty/smarty 3.1.21), 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
not scored
EPSS
  • CVE-2014-8350: 3.13% estimated exploitation activity in the next 30 days; percentile 87.88 (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.

Smarty before 3.1.21 allows remote attackers to bypass the secure mode restrictions and execute arbitrary PHP code as demonstrated by "{literal}<{/literal}script language=php" in a template.

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

    Published from ghsa record GHSA-2pmx-6mm6-6v72

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-2014-8350

Advisory: Smarty arbitrary PHP code execution
IDs: CVE-2014-8350, GHSA-2pmx-6mm6-6v72
Record: https://patchnext.com/advisories/cve-2014-8350 (revision 1, source checked 26 Oct 2026, 14:20 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: smarty/smarty 3.1.21. A vendor fix does not mean a deployment is fixed.

## Affected components
- Packagist smarty/smarty: affected < 3.1.21; fixed in 3.1.21

## Suggested inspection (read-only)
- Packagist smarty/smarty: 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 smarty/smarty.
- 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-2pmx-6mm6-6v72 (GitHub-reviewed advisory GHSA-2pmx-6mm6-6v72 lists affected ranges: Packagist smarty/smarty >=0 <3.1.21)

Commands are suggestions: review each one before running it.

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