CVE-2026-21290
Received
Received - Intake
Stored XSS in Adobe Commerce Forms Enables Session Takeover
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 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.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| 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 |
| 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 | 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 |
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 low-privileged attacker to inject malicious JavaScript code into vulnerable form fields. When a victim visits the page containing the injected code, the malicious script executes in their browser.
How can this vulnerability impact me? :
The impact of this vulnerability includes the potential for session takeover, which compromises the confidentiality and integrity of user data. Because the malicious script runs in the victim's browser, attackers can hijack user sessions and perform actions on behalf of the victim. The vulnerability has a high impact on confidentiality and integrity but does not affect availability.
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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