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

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CVE-2026-21291

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. 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:L/PR:H/UI:R/S:C/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.80 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

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

Base Score 3.x
4.80
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:adobe:commerce_b2b:*:*:*:*:*:*:*:* 1.3.3 (excluding)
cpe:2.3:a:adobe:commerce_b2b:1.3.3:-:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce_b2b:1.3.3:p1:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce_b2b:1.3.3:p10:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce_b2b:1.3.3:p11:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce_b2b:1.3.3:p12:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce_b2b:1.3.3:p13:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce_b2b:1.3.3:p14:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce_b2b:1.3.3:p15:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce_b2b:1.3.3:p16:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce_b2b:1.3.3:p2:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce_b2b:1.3.3:p3:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce_b2b:1.3.3:p4:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce_b2b:1.3.3:p5:*:*:*:*:*:*
cpe:2.3:a:adobe:commerce_b2b:1.3.3:p6:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools