PrestaShop vulnerable to possible XSS injection through Validate::isCleanHTML method
CVE-2023-30838

8.6HIGH

Key Information:

Vendor

Prestashop

Status
Prestashop
Vendor
CVE Published:
25 April 2023

What is CVE-2023-30838?

The ValidateCore::isCleanHTML() method in PrestaShop prior to versions 8.0.4 and 1.7.8.9 is susceptible to an exploitable cross-site scripting (XSS) vulnerability. This flaw allows attackers to execute malicious scripts by hijacking HTML attributes without requiring any user interaction. Unlike conventional XSS attacks, which are often limited in scope, this vulnerability can affect all HTML elements, significantly increasing the risk to both site administrators and users. The issue has been addressed in the versions listed above.

Affected Version(s)

PrestaShop >= 8.0.0, < 8.0.4 < 8.0.0, 8.0.4

PrestaShop < 1.7.8.9 < 1.7.8.9

References

https://github.com/PrestaShop/PrestaShop/security/advisor...
x_refsource_CONFIRM
https://github.com/PrestaShop/PrestaShop/commit/46408ae4b...
x_refsource_MISC
https://github.com/PrestaShop/PrestaShop/commit/dc682192d...
x_refsource_MISC

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
The Cyber Security Vulnerability Database.