CVE-2026-21290

High

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 low-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.

SeverityHigh
CVSS8.7
Exploit probability—
ProductAdobe Commerce
PublishedMar 11, 2026
First seenMar 11, 2026

How to fix

Update
  • adobe commerce_b2b1.3.3 or later
  • adobe commerce2.4.4 or later
  • adobe magento2.4.5 or later

Affected products

ProductAffected versionsFixed in
adobe commerce_b2bv < 1.3.3, 1.3.3, 1.3.4, 1.3.5, 1.4.2, 1.5.2, 1.5.31.3.3
adobe commercev < 2.4.4, 2.4.4, 2.4.5, 2.4.6, 2.4.7, 2.4.8, 2.4.92.4.4
adobe magentov < 2.4.5, 2.4.5, 2.4.6, 2.4.7, 2.4.8, 2.4.92.4.5

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