CVE-2026-21291: Adobe Commerce | Cross-site Scripting (Stored XSS) (CWE-79)

Published Mar 11, 2026
·
Updated

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.

Affected Software

184 affected components
Adobe Adobe Commerce<2.4.4-p16
Adobe Commerce B2b<1.3.3
Adobe Commerce B2b=1.3.3
Adobe Commerce B2b=1.3.3-p1
Adobe Commerce B2b=1.3.3-p10
Adobe Commerce B2b=1.3.3-p11
Adobe Commerce B2b=1.3.3-p12
Adobe Commerce B2b=1.3.3-p13
Adobe Commerce B2b=1.3.3-p14
Adobe Commerce B2b=1.3.3-p15
Adobe Commerce B2b=1.3.3-p16
Adobe Commerce B2b=1.3.3-p2
Adobe Commerce B2b=1.3.3-p3
Adobe Commerce B2b=1.3.3-p4
Adobe Commerce B2b=1.3.3-p5
Adobe Commerce B2b=1.3.3-p6
Adobe Commerce B2b=1.3.3-p7
Adobe Commerce B2b=1.3.3-p8
Adobe Commerce B2b=1.3.3-p9
Adobe Commerce B2b=1.3.4
Adobe Commerce B2b=1.3.4-p1
Adobe Commerce B2b=1.3.4-p10
Adobe Commerce B2b=1.3.4-p11
Adobe Commerce B2b=1.3.4-p12
Adobe Commerce B2b=1.3.4-p13
Adobe Commerce B2b=1.3.4-p14
Adobe Commerce B2b=1.3.4-p15
Adobe Commerce B2b=1.3.4-p2
Adobe Commerce B2b=1.3.4-p3
Adobe Commerce B2b=1.3.4-p4
Adobe Commerce B2b=1.3.4-p5
Adobe Commerce B2b=1.3.4-p6
Adobe Commerce B2b=1.3.4-p7
Adobe Commerce B2b=1.3.4-p8
Adobe Commerce B2b=1.3.4-p9
Adobe Commerce B2b=1.3.5
Adobe Commerce B2b=1.3.5-p1
Adobe Commerce B2b=1.3.5-p10
Adobe Commerce B2b=1.3.5-p11
Adobe Commerce B2b=1.3.5-p12
Adobe Commerce B2b=1.3.5-p13
Adobe Commerce B2b=1.3.5-p2
Adobe Commerce B2b=1.3.5-p3
Adobe Commerce B2b=1.3.5-p4
Adobe Commerce B2b=1.3.5-p5
Adobe Commerce B2b=1.3.5-p6
Adobe Commerce B2b=1.3.5-p7
Adobe Commerce B2b=1.3.5-p8
Adobe Commerce B2b=1.3.5-p9
Adobe Commerce B2b=1.4.2
Adobe Commerce B2b=1.4.2-p1
Adobe Commerce B2b=1.4.2-p2
Adobe Commerce B2b=1.4.2-p3
Adobe Commerce B2b=1.4.2-p4
Adobe Commerce B2b=1.4.2-p5
Adobe Commerce B2b=1.4.2-p6
Adobe Commerce B2b=1.4.2-p7
Adobe Commerce B2b=1.4.2-p8
Adobe Commerce B2b=1.5.2
Adobe Commerce B2b=1.5.2-p1
Adobe Commerce B2b=1.5.2-p2
Adobe Commerce B2b=1.5.2-p3
Adobe Commerce B2b=1.5.3-alpha1
Adobe Commerce B2b=1.5.3-alpha2
Adobe Commerce B2b=1.5.3-alpha3
Adobe Commerce<2.4.4
Adobe Commerce=2.4.4
Adobe Commerce=2.4.4-p1
Adobe Commerce=2.4.4-p10
Adobe Commerce=2.4.4-p11
Adobe Commerce=2.4.4-p12
Adobe Commerce=2.4.4-p13
Adobe Commerce=2.4.4-p14
Adobe Commerce=2.4.4-p15
Adobe Commerce=2.4.4-p16
Adobe Commerce=2.4.4-p2
Adobe Commerce=2.4.4-p3
Adobe Commerce=2.4.4-p4
Adobe Commerce=2.4.4-p5
Adobe Commerce=2.4.4-p6
Adobe Commerce=2.4.4-p7
Adobe Commerce=2.4.4-p8
Adobe Commerce=2.4.4-p9
Adobe Commerce=2.4.5
Adobe Commerce=2.4.5-p1
Adobe Commerce=2.4.5-p10
Adobe Commerce=2.4.5-p11
Adobe Commerce=2.4.5-p12
Adobe Commerce=2.4.5-p13
Adobe Commerce=2.4.5-p14
Adobe Commerce=2.4.5-p15
Adobe Commerce=2.4.5-p2
Adobe Commerce=2.4.5-p3
Adobe Commerce=2.4.5-p4
Adobe Commerce=2.4.5-p5
Adobe Commerce=2.4.5-p6
Adobe Commerce=2.4.5-p7
Adobe Commerce=2.4.5-p8
Adobe Commerce=2.4.5-p9
Adobe Commerce=2.4.6
Adobe Commerce=2.4.6-p1
Adobe Commerce=2.4.6-p10
Adobe Commerce=2.4.6-p11
Adobe Commerce=2.4.6-p12
Adobe Commerce=2.4.6-p13
Adobe Commerce=2.4.6-p2
Adobe Commerce=2.4.6-p3
Adobe Commerce=2.4.6-p4
Adobe Commerce=2.4.6-p5
Adobe Commerce=2.4.6-p6
Adobe Commerce=2.4.6-p7
Adobe Commerce=2.4.6-p8
Adobe Commerce=2.4.6-p9
Adobe Commerce=2.4.7
Adobe Commerce=2.4.7-b1
Adobe Commerce=2.4.7-b2
Adobe Commerce=2.4.7-beta3
Adobe Commerce=2.4.7-p1
Adobe Commerce=2.4.7-p2
Adobe Commerce=2.4.7-p3
Adobe Commerce=2.4.7-p4
Adobe Commerce=2.4.7-p5
Adobe Commerce=2.4.7-p6
Adobe Commerce=2.4.7-p7
Adobe Commerce=2.4.7-p8
Adobe Commerce=2.4.8
Adobe Commerce=2.4.8-beta1
Adobe Commerce=2.4.8-beta2
Adobe Commerce=2.4.8-p1
Adobe Commerce=2.4.8-p2
Adobe Commerce=2.4.8-p3
Adobe Commerce=2.4.9-alpha1
Adobe Commerce=2.4.9-alpha2
Adobe Commerce=2.4.9-alpha3
Adobe Magento<2.4.5
Adobe Magento=2.4.5
Adobe Magento=2.4.5-p1
Adobe Magento=2.4.5-p10
Adobe Magento=2.4.5-p11
Adobe Magento=2.4.5-p12
Adobe Magento=2.4.5-p13
Adobe Magento=2.4.5-p14
Adobe Magento=2.4.5-p15
Adobe Magento=2.4.5-p2
Adobe Magento=2.4.5-p3
Adobe Magento=2.4.5-p4
Adobe Magento=2.4.5-p5
Adobe Magento=2.4.5-p6
Adobe Magento=2.4.5-p7
Adobe Magento=2.4.5-p8
Adobe Magento=2.4.5-p9
Adobe Magento=2.4.6
Adobe Magento=2.4.6-p1
Adobe Magento=2.4.6-p10
Adobe Magento=2.4.6-p11
Adobe Magento=2.4.6-p12
Adobe Magento=2.4.6-p13
Adobe Magento=2.4.6-p2
Adobe Magento=2.4.6-p3
Adobe Magento=2.4.6-p4
Adobe Magento=2.4.6-p5
Adobe Magento=2.4.6-p6
Adobe Magento=2.4.6-p7
Adobe Magento=2.4.6-p8
Adobe Magento=2.4.6-p9
Adobe Magento=2.4.7
Adobe Magento=2.4.7-b1
Adobe Magento=2.4.7-b2
Adobe Magento=2.4.7-beta3
Adobe Magento=2.4.7-p1
Adobe Magento=2.4.7-p2
Adobe Magento=2.4.7-p3
Adobe Magento=2.4.7-p4
Adobe Magento=2.4.7-p5
Adobe Magento=2.4.7-p6
Adobe Magento=2.4.7-p7
Adobe Magento=2.4.7-p8
Adobe Magento=2.4.8
Adobe Magento=2.4.8-beta1
Adobe Magento=2.4.8-beta2
Adobe Magento=2.4.8-p1
Adobe Magento=2.4.8-p2
Adobe Magento=2.4.8-p3
Adobe Magento=2.4.9-alpha3

Event History

Mar 11, 2026
CVE Published
via MITRE·02:19 AM
Data Sourced
via MITRE·02:19 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:15 AM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-21291?

CVE-2026-21291 is considered a critical severity vulnerability that could allow a high-privileged attacker to exploit stored XSS.

2

How do I fix CVE-2026-21291?

To fix CVE-2026-21291, upgrade to Adobe Commerce versions 2.4.4-p17 or later.

3

What types of attacks are possible with CVE-2026-21291?

CVE-2026-21291 allows attackers to perform stored cross-site scripting, potentially executing malicious scripts in users' browsers.

4

Which versions of Adobe Commerce are affected by CVE-2026-21291?

CVE-2026-21291 affects Adobe Commerce versions 2.4.4-p16 and earlier.

5

Who is at risk of CVE-2026-21291?

High-privileged users of Adobe Commerce are at risk of CVE-2026-21291 as they could be targeted for exploitation of the XSS vulnerability.

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