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
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
Affected Vendors & Products
| 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
KEV
| 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 Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know
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