CVE-2026-21290 - Vulnerability Analysis

Overview

Adobe Commerce <= 2.4.9-alpha3 contains a stored XSS caused by improper sanitization of form fields, letting low-privileged attackers inject malicious scripts, exploit requires victim to browse vulnerable page.

Severity & Score

Impact

Attackers can execute malicious scripts in victim browsers, leading to session takeover and high confidentiality and integrity impact.

Mitigation

Update to the latest available version beyond 2.4.9-alpha3.

References

• https://helpx.adobe.com/security/products/magento/apsb26-05.html

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Mar 11, 2026

🟠 CVE-2026-21290 - High (8.7) 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 low-privileged attacker to inject malicious scripts i... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-21290/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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• Vulnerability Intelligence Dashboard
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