Critical

Server Side Twig Template Injection

  • Disclosed: 27.01.2022
  • Updated: 11.10.2026 10:22

PrestaShop is an Open Source e-commerce platform. Starting with version 1.7.0.0 and ending with version 1.7.8.3, an attacker is able to inject twig code inside the back office when using the legacy layout. The problem is fixed in version 1.7.8.3. There are no known workarounds.

Affected software

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PlatformPackageVulnerable versionsFixed in
Composer package prestashop/prestashop >= 1.7.0.0, < 1.7.8.3 1.7.8.3
PrestaShop (core) prestashop/prestashop >= 1.7.0.0, < 1.7.8.3 1.7.8.3

References

CVSS score 9/10
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE)
CWE-94
Platform
Composer, PrestaShop
Package
prestashop/prestashop
Disclosed
27.01.2022
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-mrq4-7ch7-2465 - CC BY 4.0

Vulnerability history: prestashop/prestashop

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

All (32) in the archive
Total entries
32
First → latest
01.2020 05.2026
Without a fix
9
Exploited in attacks
1

Severity breakdown

  • Critical 6
  • High 8
  • Medium 17
  • Low 1

Disclosures per year

  1. 2020: 1
  2. 2021: 1
  3. 2022: 10
  4. 2023: 10
  5. 2024: 5
  6. 2025: 1
  7. 2026: 4
Severity:
  1. Critical · 9.3 CVE-2026-44212 < 8.2.6, >= 9.0.0, < 9.1.1 8.2.6, 9.1.1
  2. High · 7.6 CVE-2026-33673 >= 9.0.0-alpha.1, < 9.1.0, < 8.2.5 9.1.0, 8.2.5
  3. Critical · 9.6 CVE-2024-34716 >= 8.1.0, < 8.1.6 8.1.6
  4. High · 8.1 CVE-2024-21627 >= 8.0.0-beta.1, < 8.1.3, < 1.7.8.11 8.1.3, 1.7.8.11
  5. High · 8.3 CVE-2023-39527 >= 8.0.0, < 8.0.5, < 1.7.8.10 no fix
  6. Critical · 9.8 CVE-2022-31181 >= 1.6.0.10, < 1.7.8.7 1.7.8.7
  7. High · 8.8 CVE-2018-20717 < 1.7.2.5 1.7.2.5
  8. High · 8.0 CVE-2023-30838 >= 8.0.0, < 8.0.3, < 1.7.8.8 no fix
  9. Server Side Twig Template Injection this entry
    Critical · 9.0 CVE-2022-21686 >= 1.7.0.0, < 1.7.8.3 1.7.8.3
  10. High · 7.5 CVE-2021-43789 >= 1.7.5.0, < 1.7.8.2 1.7.8.2
  11. Critical · 9.8 Exploited in attacks CVE-2017-9841 < 1.7.6.0 no fix

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