Medium severity · published Mar 11, 2026
CVE-2026-21291
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…
4.8
CVSS
0.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
Commerce · Adobe
before 2.4.4; 2.4.4; 2.4.4; 2.4.4; 2.4.4; 2.4.4; +34 more · source: NVD
CB
Commerce B2b · Adobe
before 1.3.3; 1.3.3; 1.3.3; 1.3.3; 1.3.3; 1.3.3; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-21291
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-21291
Vendor Advisory
https://helpx.adobe.com/security/products/magento/apsb26-05.html
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