CVE-2026-21291
Received Received - Intake

Stored XSS in Adobe Commerce Form Fields Allows Script Injection

Vulnerability report for CVE-2026-21291, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

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. 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
2026-07-06
AI Q&A
2026-03-11
EPSS Evaluated
2026-07-05
NVD
EUVD

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
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

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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 scripts into vulnerable form fields. These scripts are then stored and can be executed when a user visits the affected page containing the malicious input.

Exploitation requires user interaction, meaning a victim must browse to the page with the vulnerable form field for the malicious script to execute.

Impact Analysis

This vulnerability can lead to the execution of malicious scripts in the context of the affected website, potentially allowing attackers to steal sensitive information, hijack user sessions, or perform actions on behalf of the victim user.

Since exploitation requires a high-privileged attacker and user interaction, the risk is somewhat mitigated but still significant, especially in environments where sensitive data or administrative functions are accessible.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

This vulnerability affects 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. To mitigate this stored Cross-Site Scripting (XSS) vulnerability, you should update Adobe Commerce to a version later than those listed that includes the security fix.

Additionally, since exploitation requires user interaction by browsing to a vulnerable page, consider restricting access to administrative or high-privilege user interfaces and educating users about the risks of interacting with untrusted content.

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EPSS Chart