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

Source: https://junglewise.ai/threats/cve-2026-33673-prestashop-has-multiple-stored-xss-vulnerabilities-via  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-03-25  
License: CC BY 4.0 with a link back

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)](https://junglewise.ai/threats/technologies/prestashop-prestashop). Vendors: [Packagist](https://junglewise.ai/threats/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

  ```sh
  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

## Related threats

- [PrestaShop stored XSS in Customer Service view via Contact Us form](https://junglewise.ai/threats/cve-2026-44212-prestashop-stored-xss-in-customer-service-view-via-contact-us)
- [PrestaShop: Improper Use of Validation Framework](https://junglewise.ai/threats/cve-2026-33674-prestashop-improper-use-of-validation-framework)
- [PrestaShop affected by time based enumeration in FO login form](https://junglewise.ai/threats/cve-2026-25597-prestashop-affected-by-time-based-enumeration-in-fo-login-form)
- [Presta Shop vulnerable to email enumeration](https://junglewise.ai/threats/cve-2025-51586-presta-shop-vulnerable-to-email-enumeration)
- [Anonymous PrestaShop customer can download other customers' invoices](https://junglewise.ai/threats/cve-2024-34717-anonymous-prestashop-customer-can-download-other-customers)