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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 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…

Severity
Medium 4.8
Published
11 Mar 2026
Last changed
28 Aug 2026
Added to UpHeron
21 Oct 2026
Fixed in
2.4.4, 2.4.5
Sources
NVD

Affected software

SoftwareAffected versions
Magento / Adobe CommerceServers and applications · cpe:a:adobe:commerce
  • Version 2.4.9-alpha3
  • Version 2.4.9-alpha2
  • Version 2.4.9-alpha1
  • Version 2.4.8-p3
All 69 release lines
  • Every version before 2.4.4
  • Version 2.4.4
  • Version 2.4.4-p1
  • Version 2.4.4-p2
  • Version 2.4.4-p3
  • Version 2.4.4-p4
  • Version 2.4.4-p5
  • Version 2.4.4-p6
  • Version 2.4.4-p7
  • Version 2.4.4-p8
  • Version 2.4.4-p9
  • Version 2.4.4-p10
  • Version 2.4.4-p11
  • Version 2.4.4-p12
  • Version 2.4.4-p13
  • Version 2.4.4-p14
  • Version 2.4.4-p15
  • Version 2.4.4-p16
  • Version 2.4.5
  • Version 2.4.5-p1
  • Version 2.4.5-p2
  • Version 2.4.5-p3
  • Version 2.4.5-p4
  • Version 2.4.5-p5
  • Version 2.4.5-p6
  • Version 2.4.5-p7
  • Version 2.4.5-p8
  • Version 2.4.5-p9
  • Version 2.4.5-p10
  • Version 2.4.5-p11
  • Version 2.4.5-p12
  • Version 2.4.5-p13
  • Version 2.4.5-p14
  • Version 2.4.5-p15
  • Version 2.4.6
  • Version 2.4.6-p1
  • Version 2.4.6-p2
  • Version 2.4.6-p3
  • Version 2.4.6-p4
  • Version 2.4.6-p5
  • Version 2.4.6-p6
  • Version 2.4.6-p7
  • Version 2.4.6-p8
  • Version 2.4.6-p9
  • Version 2.4.6-p10
  • Version 2.4.6-p11
  • Version 2.4.6-p12
  • Version 2.4.6-p13
  • Version 2.4.7-b1
  • Version 2.4.7-b2
  • Version 2.4.7-beta3
  • Version 2.4.7
  • Version 2.4.7-p1
  • Version 2.4.7-p2
  • Version 2.4.7-p3
  • Version 2.4.7-p4
  • Version 2.4.7-p5
  • Version 2.4.7-p6
  • Version 2.4.7-p7
  • Version 2.4.7-p8
  • Version 2.4.8-beta1
  • Version 2.4.8-beta2
  • Version 2.4.8
  • Version 2.4.8-p1
  • Version 2.4.8-p2
  • Version 2.4.8-p3
  • Version 2.4.9-alpha1
  • Version 2.4.9-alpha2
  • Version 2.4.9-alpha3
Magento / Adobe CommerceServers and applications · cpe:a:adobe:magento
  • Version 2.4.9-alpha3
  • Version 2.4.8-p3
  • Version 2.4.8-p2
  • Version 2.4.8-p1
All 50 release lines
  • Every version before 2.4.5
  • Version 2.4.5
  • Version 2.4.5-p1
  • Version 2.4.5-p2
  • Version 2.4.5-p3
  • Version 2.4.5-p4
  • Version 2.4.5-p5
  • Version 2.4.5-p6
  • Version 2.4.5-p7
  • Version 2.4.5-p8
  • Version 2.4.5-p9
  • Version 2.4.5-p10
  • Version 2.4.5-p11
  • Version 2.4.5-p12
  • Version 2.4.5-p13
  • Version 2.4.5-p14
  • Version 2.4.5-p15
  • Version 2.4.6
  • Version 2.4.6-p1
  • Version 2.4.6-p2
  • Version 2.4.6-p3
  • Version 2.4.6-p4
  • Version 2.4.6-p5
  • Version 2.4.6-p6
  • Version 2.4.6-p7
  • Version 2.4.6-p8
  • Version 2.4.6-p9
  • Version 2.4.6-p10
  • Version 2.4.6-p11
  • Version 2.4.6-p12
  • Version 2.4.6-p13
  • Version 2.4.7-b1
  • Version 2.4.7-b2
  • Version 2.4.7-beta3
  • Version 2.4.7
  • Version 2.4.7-p1
  • Version 2.4.7-p2
  • Version 2.4.7-p3
  • Version 2.4.7-p4
  • Version 2.4.7-p5
  • Version 2.4.7-p6
  • Version 2.4.7-p7
  • Version 2.4.7-p8
  • Version 2.4.8-beta1
  • Version 2.4.8-beta2
  • Version 2.4.8
  • Version 2.4.8-p1
  • Version 2.4.8-p2
  • Version 2.4.8-p3
  • Version 2.4.9-alpha3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-21291
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-21291