PT-2026-24554 · Adobe · Commerce

Michele Spagnuolo · CVE-2026-21290 · Published 2026-03-10 · Updated 2026-03-11

Positive Technologies (AI Summary)

CVSS v3.1

8.7

High

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions Adobe Commerce versions 2.4.9-alpha3 and earlier

Description The software is susceptible to a stored Cross-Site Scripting (XSS) issue. A low-privileged attacker could inject malicious scripts into vulnerable form fields. Execution of malicious JavaScript may occur in a victim’s browser when they access the page containing the vulnerable field. A successful attack could lead to session takeover, impacting confidentiality and integrity. Exploitation requires user interaction, specifically a victim browsing to the page with the vulnerable field.

Recommendations Update Adobe Commerce to a version later than 2.4.9-alpha3.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BDU:2026-03032

CVE-2026-21290

Affected Products

Commerce

References · 9

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21290.json · Exploit
• https://bdu.fstec.ru/vul/2026-03032 · Security Note
• https://helpx.adobe.com/security/products/magento/apsb26-05.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-21290 · Security Note
• https://osv.dev/vulnerability/CVE-2026-21290 · Vendor Advisory
• https://t.me/cveNotify/155033 · Telegram Post
• https://t.me/CVEtracker/47069 · Telegram Post
• https://twitter.com/CVEnew/status/2031597264154894364 · Twitter Post
• https://twitter.com/CveFindCom/status/2031576210694623322 · Twitter Post