Is CVE-2023-30838 actively exploited?

No active exploitation of CVE-2023-30838 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-30838 be exploited remotely?

Yes. CVE-2023-30838 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-30838?

CVE-2023-30838 has a CVSS score of 9.9 (CRITICAL).

HOME VULNERABILITIESCVE-2023-30838

CRITICAL

CVE-2023-30838

CWE-79Published: April 25, 2023· Updated: Jun 17, 2026

9.9

CVSS v3.1

Official Description

PrestaShop is an Open Source e-commerce web application. Prior to versions 8.0.4 and 1.7.8.9, the `ValidateCore::isCleanHTML()` method of Prestashop misses hijackable events which can lead to cross-site scripting (XSS) injection, allowed by the presence of pre-setup `@keyframes` methods. This XSS, which hijacks HTML attributes, can be triggered without any interaction by the visitor/administrator, which makes it as dangerous as a trivial XSS attack. Contrary to other attacks which target HTML attributes and are triggered without user interaction (such as onload / onerror which suffer from a very limited scope), this one can hijack every HTML element, which increases the danger due to a complete HTML elements scope. Versions 8.0.4 and 1.7.8.9 contain a fix for this issue.

NVD Source

Technical Analysis

CVE-2023-30838 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.9.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.