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
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:
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Meta Information

Published
2026-03-11
Last Modified
2026-03-11
Generated
2026-07-06
AI Q&A
2026-03-11
EPSS Evaluated
2026-07-05
NVD
CVE-2026-21290
EUVD
EUVD-2026-11045

Affected Vendors & Products

Showing 183 associated CPEs
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
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KEV
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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

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Executive Summary

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.

Impact Analysis

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.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

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