CVE-2026-21311
Received Received - Intake
Stored XSS in Adobe Commerce Forms Enables High-Impact Session Hijack

Publication date: 2026-03-11

Last updated on: 2026-03-11

Assigner: Adobe Systems Incorporated

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.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-03-11
Last Modified
2026-03-11
Generated
2026-06-16
AI Q&A
2026-03-11
EPSS Evaluated
2026-06-15
NVD
CVE-2026-21311
EUVD
EUVD-2026-11065
Affected Vendors & Products
Showing 183 associated CPEs
Vendor Product Version / Range
adobe commerce 2.4.4
adobe commerce 2.4.5
adobe commerce 2.4.4
adobe commerce to 2.4.4 (exc)
adobe commerce 2.4.5
adobe commerce 2.4.4
adobe commerce 2.4.5
adobe commerce 2.4.4
adobe commerce 2.4.6
adobe commerce 2.4.4
adobe commerce 2.4.5
adobe commerce 2.4.6
adobe commerce 2.4.5
adobe commerce 2.4.4
adobe commerce 2.4.7
adobe commerce 2.4.5
adobe commerce 2.4.6
adobe commerce 2.4.6
adobe commerce 2.4.4
adobe commerce 2.4.4
adobe commerce 2.4.4
adobe commerce 2.4.4
adobe commerce 2.4.7
adobe commerce 2.4.7
adobe commerce 2.4.7
adobe commerce 2.4.6
adobe commerce 2.4.6
adobe commerce 2.4.6
adobe commerce 2.4.5
adobe commerce 2.4.5
adobe commerce 2.4.5
adobe commerce 2.4.7
adobe commerce 2.4.4
adobe commerce 2.4.5
adobe commerce 2.4.6
adobe commerce 2.4.7
adobe commerce 2.4.4
adobe commerce 2.4.8
adobe commerce 2.4.7
adobe commerce 2.4.6
adobe commerce 2.4.5
adobe commerce 2.4.4
adobe commerce 2.4.5
adobe commerce 2.4.6
adobe commerce 2.4.7
adobe commerce 2.4.8
adobe commerce 2.4.7
adobe commerce 2.4.8
adobe commerce 2.4.4
adobe commerce 2.4.5
adobe commerce 2.4.6
adobe commerce 2.4.4
adobe commerce 2.4.5
adobe commerce 2.4.6
adobe commerce 2.4.7
adobe commerce 2.4.8
adobe commerce 2.4.9
adobe commerce 2.4.4
adobe commerce 2.4.5
adobe commerce 2.4.6
adobe commerce 2.4.7
adobe commerce 2.4.8
adobe commerce 2.4.9
adobe commerce 2.4.4
adobe commerce 2.4.5
adobe commerce 2.4.6
adobe commerce 2.4.7
adobe commerce 2.4.8
adobe commerce 2.4.9
adobe commerce_b2b 1.4.2
adobe commerce_b2b 1.4.2
adobe commerce_b2b 1.4.2
adobe commerce_b2b 1.3.5
adobe commerce_b2b 1.3.4
adobe commerce_b2b 1.3.4
adobe commerce_b2b 1.3.5
adobe commerce_b2b 1.3.3
adobe commerce_b2b 1.3.3
adobe commerce_b2b 1.4.2
adobe commerce_b2b 1.3.5
adobe commerce_b2b 1.3.4
adobe commerce_b2b 1.3.3
adobe commerce_b2b to 1.3.3 (exc)
adobe commerce_b2b 1.3.3
adobe commerce_b2b 1.3.3
adobe commerce_b2b 1.3.3
adobe commerce_b2b 1.3.3
adobe commerce_b2b 1.3.3
adobe commerce_b2b 1.3.3
adobe commerce_b2b 1.3.3
adobe commerce_b2b 1.3.3
adobe commerce_b2b 1.3.3
adobe commerce_b2b 1.3.3
adobe commerce_b2b 1.3.4
adobe commerce_b2b 1.3.4
adobe commerce_b2b 1.3.4
adobe commerce_b2b 1.3.4
adobe commerce_b2b 1.3.4
adobe commerce_b2b 1.3.4
adobe commerce_b2b 1.3.4
adobe commerce_b2b 1.3.4
adobe commerce_b2b 1.3.4
adobe commerce_b2b 1.3.5
adobe commerce_b2b 1.4.2
adobe commerce_b2b 1.3.3
adobe commerce_b2b 1.3.4
adobe commerce_b2b 1.3.5
adobe commerce_b2b 1.4.2
adobe commerce_b2b 1.5.2
adobe commerce_b2b 1.3.5
adobe commerce_b2b 1.3.5
adobe commerce_b2b 1.3.5
adobe commerce_b2b 1.3.5
adobe commerce_b2b 1.3.5
adobe commerce_b2b 1.3.5
adobe commerce_b2b 1.3.3
adobe commerce_b2b 1.3.4
adobe commerce_b2b 1.3.5
adobe commerce_b2b 1.4.2
adobe commerce_b2b 1.5.2
adobe commerce_b2b 1.5.3
adobe commerce_b2b 1.3.3
adobe commerce_b2b 1.3.4
adobe commerce_b2b 1.4.2
adobe commerce_b2b 1.5.2
adobe commerce_b2b 1.5.3
adobe commerce_b2b 1.3.5
adobe commerce_b2b 1.3.3
adobe commerce_b2b 1.3.4
adobe commerce_b2b 1.3.5
adobe commerce_b2b 1.4.2
adobe commerce_b2b 1.5.2
adobe commerce_b2b 1.5.3
adobe magento 2.4.5
adobe magento 2.4.5
adobe magento 2.4.5
adobe magento 2.4.6
adobe magento 2.4.6
adobe magento 2.4.6
adobe magento 2.4.7
adobe magento 2.4.5
adobe magento 2.4.5
adobe magento 2.4.6
adobe magento 2.4.6
adobe magento 2.4.5
adobe magento 2.4.5
adobe magento 2.4.5
adobe magento 2.4.6
adobe magento 2.4.7
adobe magento 2.4.7
adobe magento 2.4.7
adobe magento 2.4.6
adobe magento 2.4.5
adobe magento 2.4.7
adobe magento 2.4.5
adobe magento 2.4.6
adobe magento 2.4.7
adobe magento 2.4.8
adobe magento 2.4.7
adobe magento 2.4.6
adobe magento 2.4.5
adobe magento 2.4.5
adobe magento 2.4.6
adobe magento 2.4.7
adobe magento 2.4.8
adobe magento 2.4.5
adobe magento 2.4.6
adobe magento 2.4.7
adobe magento 2.4.8
adobe magento to 2.4.5 (exc)
adobe magento 2.4.5
adobe magento 2.4.6
adobe magento 2.4.7
adobe magento 2.4.8
adobe magento 2.4.5
adobe magento 2.4.6
adobe magento 2.4.7
adobe magento 2.4.8
adobe magento 2.4.5
adobe magento 2.4.6
adobe magento 2.4.7
adobe magento 2.4.8
adobe magento 2.4.9
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is a stored Cross-Site Scripting (XSS) issue affecting certain versions of Adobe Commerce. It allows a high-privileged attacker to inject malicious JavaScript code into vulnerable form fields within the application.

When a victim user browses to a page containing the injected malicious script, the script executes in their browser. This requires the victim to interact by visiting the affected page.

Impact Analysis

The impact of this vulnerability includes the potential for session takeover, which means an attacker could hijack a user's session.

This leads to a high impact on confidentiality and integrity of the affected system or user data.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

I don't know

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-21311. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart