Medium

Multiple cross-site scripting (XSS) vulnerabilities in the Multi html block (opartmultihtmlblock) module and multihtmlblock* sub-modules from Opart for PrestaShop

Disclosed: 10.10.2023
Updated: 11.10.2026 10:22

Multiple cross-site scripting (XSS) vulnerabilities of Type 2 (Stored XSS) B2F (Back to front) in the Multi html block (opartmultihtmlblock) module and multihtmlblock* sub-modules from Opart for PrestaShop, prior to version 2.0.12, allows remote authenticated users to inject arbitrary web script or HTML via the body_text or body_text_rude field.

Prior to version 2.0.12 of the Prestashop Multi html block (opartmultihtmlblock) module and multihtmlblock* sub-modules for PrestaShop, scripts can be injected into the database by the admin configuration form or chained by an SQL injection, which can then be executed in user browsers.

WARNING: This vulnerability has been seen as exploited to inject malicious code into the payment page using the displayBanner hook from the multihtmlblockmessageheader sub-module (exploited by a compromised admin).

Affected software

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Platform	Package	Vulnerable versions	Fixed in
PrestaShop module	opartmultihtmlblock and multihtmlblock* sub-modules	<= 2.0.11, = 1.0.0 For opartmultihtmlblock <= 2.0.11 (Fixed in 2.0.12), for multihtmlblock* : = 1.0.0	2.0.12

References

https://security.friendsofpresta.org/modules/2023/10/10/opartmultihtmlblock.html

CVSS score 6.1/10

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
Weakness (CWE): CWE-79
Platform: PrestaShop
Package: opartmultihtmlblock and multihtmlblock* sub-modules
Disclosed: 10.10.2023
Updated: 11.10.2026 10:22

Sources and licenses

Friends-Of-Presta - CVE-2023-30148 - MIT

MIT

The MIT License (MIT)

Copyright (c) 2016-present Parker Moore and the minima contributors

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

Vulnerability history: opartmultihtmlblock and multihtmlblock* sub-modules

All published vulnerabilities of this package (PrestaShop module), newest first. Shows whether this is a one-off slip or a package that needs watching.

This is the only known vulnerability of this package.

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