CVE-2026-33673: PrestaShop has multiple stored XSS vulnerabilities via unprotected Template variables

CVE-2026-33673 · Severity: low · CVSS 3.1 · Published 2026-03-25

PrestaShop has multiple stored XSS vulnerabilities via unprotected Template variables

Technologies: prestashop/prestashop (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2026-33673 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-33673 being exploited in the wild.
How severe is CVE-2026-33673?
Low severity, with a CVSS score of 3.1, published 25 March 2026.
Which products and versions are affected?
prestashop/prestashop (Packagist) ECOSYSTEM:introduced=9.0.0-alpha.1,fixed=9.1.0.
Is there a fix for CVE-2026-33673?
Yes. prestashop/prestashop (Packagist): upgrade to 9.1.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-33673?
Check whether you run prestashop/prestashop (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • prestashop/prestashop (Packagist): upgrade to 9.1.0 or later
    composer require prestashop/prestashop:^9.1.0

Affected products

  • prestashop/prestashop (Packagist) ECOSYSTEM:introduced=9.0.0-alpha.1,fixed=9.1.0

Identifiers

  • CVE-2026-33673
  • GHSA-35pf-37c6-jxjv

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