CVE-2026-33673

Name: CVE-2026-33673
Creator: NVD / NIST
Published: 2026-03-26T22:16:30.553+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.27%

Last modified Jun 17, 2026

CVE-2026-33673 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. PrestaShop is an open source e-commerce web application. Versions prior to 8.2.5 and 9.1.0 are vulnerable to stored Cross-Site Scripting (stored XSS) vulnerabilities in the BO. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

Description

PrestaShop is an open source e-commerce web application. Versions prior to 8.2.5 and 9.1.0 are vulnerable to stored Cross-Site Scripting (stored XSS) vulnerabilities in the BO. An attacker who can inject data into the database, via limited back-office access or a previously existing vulnerability, can exploit unprotected variables in back-office templates. Versions 8.2.5 and 9.1.0 contain a fix. No known workarounds are available.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.27%

18.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Prestashop	Prestashop	< 8.2.5
Prestashop	Prestashop	>= 9.0.0, < 9.1.0

References

https://github.com/PrestaShop/PrestaShop/releases/tag/8.2.5Release Notes
https://github.com/PrestaShop/PrestaShop/releases/tag/9.1.0Release Notes
https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-35pf-37c6-jxjvVendor Advisory

Timeline

Published: Mar 26, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-33673?

How severe is CVE-2026-33673?

CVE-2026-33673 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.

How do I fix CVE-2026-33673?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-33673?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST