Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-21311

Severity CVSS v4.0:
Pending analysis
Type:
CWE-79 Cross-Site Scripting (XSS)
Publication date:
11/03/2026
Last modified:
11/03/2026

Description

Adobe Commerce versions 2.4.9-alpha3, 2.4.8-p3, 2.4.7-p8, 2.4.6-p13, 2.4.5-p15, 2.4.4-p16 and earlier are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a high-privileged attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim’s browser when they browse to the page containing the vulnerable field. A successful attacker can abuse this to achieve session takeover, increasing the confidentiality, and integrity impact to high. Exploitation of this issue requires user interaction in that a victim must browse to the page containing the vulnerable field.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 8.00 HIGH
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): None

Base Score 3.x
8.00
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:adobe:commerce:*:*:*:*:*:*:*:* 2.4.4 (excluding)
cpe:2.3:a:adobe:commerce:2.4.4:-:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p1:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p10:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p11:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p12:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p13:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p14:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p15:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p16:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p2:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p3:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p4:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p5:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce:2.4.4:p6:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools