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GHSA-6frx-2r5w-c524

CRITICAL

GHSA-6frx-2r5w-c524 is a critical-severity (CVSS 9.8) Improper Input Validation vulnerability in smarty/smarty. O3 Security confirms whether GHSA-6frx-2r5w-c524 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

Smarty3 Arbitrary PHP Code Execution

Also known asCVE-2011-1028
Published
Apr 22, 2022
Updated
Feb 16, 2024
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed

Blast Radius

1 pkg affected
🐘smarty/smarty

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

The $smarty.template variable in Smarty3 allows attackers to possibly execute arbitrary PHP code via the sysplugins/smarty_internal_compile_private_special_variable.php file.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistsmarty/smartyall versions3.0.7

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for smarty/smarty. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Fix

    Update smarty/smarty to 3.0.7 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-6frx-2r5w-c524 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether GHSA-6frx-2r5w-c524 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to GHSA-6frx-2r5w-c524. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

The `$smarty.template` variable in Smarty3 allows attackers to possibly execute arbitrary PHP code via the `sysplugins/smarty_internal_compile_private_special_variable.php` file.
O3 Security · Impact-Aware SCA

Is GHSA-6frx-2r5w-c524 in your dependencies?

O3 detects GHSA-6frx-2r5w-c524 across Packagist dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.