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High

Access to restricted PHP code by dynamic static class access in smarty

  • Disclosed: 12.01.2022
  • Updated: 11.10.2026 10:22

Impact

Template authors could run restricted static php methods.

Patches

Please upgrade to 3.1.40 or higher.

References

See the documentation on Smarty security features on the static_classes access filter.

For more information

If you have any questions or comments about this advisory please open an issue in the Smarty repo

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Composer package smarty/smarty < 3.1.43, >= 4.0.0, < 4.0.3 3.1.43, 4.0.3

References

CVSS score 8.8/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-20
Platform
Composer
Package
smarty/smarty
Disclosed
12.01.2022
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-4h9c-v5vg-5m6m - CC BY 4.0

Vulnerability history: smarty/smarty

All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (18) in the archive
Total entries
18
First → latest
02.2021 09.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 3
  • High 8
  • Medium 7

Disclosures per year

Severity:
  1. Smarty vulnerable to PHP Code Injection by malicious attribute in extends-tag
    High · 7.3 CVE-2024-35226 >= 5.0.0, < 5.1.1, >= 3.0.0, < 4.5.3 5.1.1, 4.5.3
  2. smarty Cross-site Scripting vulnerability in Javascript escaping
    High · 7.1 CVE-2023-28447 >= 4.0.0, < 4.3.1, < 3.1.48 4.3.1, 3.1.48
  3. PHP Code Injection by malicious block or filename in Smarty
    High · 8.8 CVE-2022-29221 < 3.1.45, >= 4.0.0, < 4.1.1 3.1.45, 4.1.1
  4. Smarty arbitrary PHP code execution
    High CVE-2014-8350 < 3.1.21 3.1.21
  5. Smarty PHP code injection
    Critical · 9.8 CVE-2017-1000480 >= 3, < 3.1.32 3.1.32
  6. Smarty Path Traversal Vulnerability
    High · 7.5 CVE-2018-13982 < 3.1.33 3.1.33
  7. Smarty3 Arbitrary PHP Code Execution
    Critical · 9.8 CVE-2011-1028 < 3.0.7 3.0.7
  8. Access to restricted PHP code by dynamic static class access in smarty this entry
    High · 8.8 CVE-2021-21408 < 3.1.43, >= 4.0.0, < 4.0.3 3.1.43, 4.0.3
  9. Sandbox Escape by math function in smarty
    High · 8.1 CVE-2021-29454 < 3.1.42, >= 4.0.0, < 4.0.2 3.1.42, 4.0.2
  10. Sandbox escape through template_object in smarty
    High · 7.5 CVE-2021-26119 < 3.1.39 3.1.39
  11. PHP Code Injection by malicious function name in smarty
    Critical · 9.8 CVE-2021-26120 < 3.1.39 3.1.39

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