GHSA-vr7m-r9vm-m4wf — medium GitHub Advisory (CVE-2024-21628) in composer/prestashop/prestashop

Description

Impact

The isCleanHtml method is not used on this this form, which makes it possible to store an xss in DB.
The impact is low because the html is not interpreted in BO, thanks to twig's escape mechanism.
In FO, the xss is effective, but only impacts the customer sending it, or the customer session from which it was sent.

Be careful if you have a module fetching these messages from the DB and displaying it without escaping html.

Patches

8.1.x

Reporter

Reported by Rona Febriana (linkedin: https://www.linkedin.com/in/rona-febriana/)

Basic information

Type: reviewed
Severity: medium
Advisory on GitHub: Open advisory ↗
Repository advisory: Open repository advisory ↗
Source code: Browse source ↗
Published (advisory): 2024-01-03 21:48:56 UTC
Updated: 2024-01-03 21:48:57 UTC
GitHub reviewed: 2024-01-03 21:48:56 UTC
NVD published: 2024-01-02

Score	Percentile
0.38%	59.51%

CVSS Scores

Base score	Version	Severity	Vector
5.4	3.1	—	`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:L` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:L) A normal user session is enough; they don’t have to be admin. User interaction (UI:R) A real person has to do something—click, install, enable—otherwise it doesn’t land. Scope (S:C) Breaking this can reach past the original component and bite other resources—bigger blast radius. Confidentiality (C:L) Some sensitive info could get out, but not a total data dump. Integrity (I:N) Data isn’t meaningfully altered or forged. Availability (A:L) Might cause slowdowns, glitches, or partial disruption—not a full brick.

Identifiers

Type	Value
GHSA	GHSA-vr7m-r9vm-m4wf ↗
CVE	CVE-2024-21628 ↗

CWEs

CWE id	Name
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Credits

matthieu-rolland (remediation_developer)
AureRita (remediation_verifier)
boherm (remediation_reviewer)
matks (remediation_reviewer)
nicosomb (remediation_reviewer)

Affected packages (1)

Vulnerable version ranges and first patched releases as published by GitHub.

Ecosystem	Package	Vulnerable range	First patched	Vulnerable functions
composer	prestashop/prestashop	< 8.1.3	8.1.3	—

PrestaShop XSS can be stored in DB from "add a message form" in order detail page (FO)